08 Faculty of Science > Institute of Astronomy

Up a level
Export as [feed] RSS
Jump to: 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006
Number of items at this level: 582.

2017

Dach, Rolf; Villiger, Arturo (2017). IGS Technical Report 2016 IGS Central Bureau and University of Bern; Bern Open Publishing 10.7892/boris.99278

Prange, Lars; Susnik, Andreja; Arnold, Daniel; Dach, Rolf; Sidorov, Dmitry; Schaer, Stefan; Villiger, Arturo; Jäggi, Adrian (2017). CODE product series for the IGS-MGEX project. Astronomical Institute, University of Bern

Prange, Lars; Orliac, Etienne; Dach, Rolf; Arnold, Daniel; Beutler, Gerhard; Schaer, Stefan; Jäggi, Adrian (2017). CODE's five-system orbit and clock solution - the challenges of multi-GNSS data analysis. Journal of geodesy, 91(4), pp. 345-360. Springer 10.1007/s00190-016-0968-8

Silha, Jiri; Schildknecht, Thomas; Hinze, Andreas; Flohrer, T.; Vananti, Alessandro (2017). An optical survey for space debris on highly eccentric and inclined MEO orbits. Advances in space research, 59(1), pp. 181-192. Elsevier 10.1016/j.asr.2016.08.027

Abraha, Kibrom; Teferle, Felix Norman; Hunegnaw, Addisu; Dach, Rolf (2017). GNSS related periodic signals in coordinate time-series from Precise Point Positioning. Geophysical Journal International, 208(3), pp. 1449-1464. Oxford University Press 10.1093/gji/ggw467

2016

Dach, Rolf; Susnik, Andreja; Maier, Andrea; Villiger, Arturo; Arnold, Daniel; Jäggi, Adrian (December 2016). Evaluation of ITRF2014 Solutions (Unpublished). In: 2016 AGU Fall Meeting. San Francisco, USA. 12.-16.12.2016.

Bertone, Stefano; Arnold, Daniel; Jäggi, Adrian; Hosseini, A (December 2016). Bernese developments in planetary geodesy: a GRAIL Moon gravity field and tidal solution and an outlook on current projects (Unpublished). In: AGU Fall Meeting 2016. San Francisco, USA. 12.-16.12.2016.

Hackel, Stefan; Arnold, Daniel; Wermuth, Martin; Jäggi, Adrian; Montenbruck, Oliver (November 2016). Challenging the Precision: Impact and Comparison of Non-Gravitational Force Models on Sentinel-3A Orbit Determination. In: Ocean Surface Topography Science Team (OSTST) meeting. La Rochelle, France. 31.10.-04.11.2016.

Wickert, J.; Cardellach, E.; Bandeiras, J.; Bertino, L.; Andersen, O.; Camps, A.; Catarino, N.; Chapron, B.; Fabra, F.; Floury, N.; Foti, G.; Gommenginger, C.; Hatton, J.; Høeg, P.; Jäggi, Adrian; Kern, M.; Lee, T.; Li, Z.; Martin-Neira, M.; Park, H.; ... (2016). GEROS-ISS: GNSS Reflectometry, Radio Occultation and Scatterometry onboard the International Space Station. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 9(10), pp. 4552-4581. 10.1109/JSTARS.2016.2614428

Andritsch, Florian; Maier, Andrea; Dach, Rolf; Jäggi, Adrian (10 October 2016). Simulation of realistic SLR observations to optimize tracking scenarios (Unpublished). In: 20th International Workshop on Laser Ranging. Potsdam, Germany. 10.10.2016.

Meyer, Ulrich; Jean, Yoomin; Jäggi, Adrian; Susnik, Andreja; Arnold, Daniel; Dahle, C.; Mayer-Gürr, T.; Lemoine, J.-M. (October 2016). EGSIEM combination of GRACE monthly gravity fields (Unpublished). In: GRACE Science Team meeting (GSTM). Potsdam, Germany. 05.-07.10.2016.

Bertone, Stefano; Arnold, Daniel; Jäggi, Adrian; Mervart, Leos (October 2016). An improved Bernese Moon gravity field and tidal Love number k2 solution from GRAIL Doppler and KBRR data (Unpublished). In: DPS 48/ EPSC 11. 17.-21.10.2016.

Lauber, Pierre; Ploner, Martin; Prohaska, Marcel; Schlatter, Peter; Ruzek, Peter; Schildknecht, Thomas; Jäggi, Adrian (October 2016). Trials and limits of automation: experiences from the Zimmerwald well characterized and fully automated SLR-system. In: 20th International Workshop on Laser Ranging. Potsdam, Germany. 10.-14.10.2016.

Jean, Yoomin; Meyer, Ulrich; Jäggi, Adrian (October 2016). Combination of the Latest Releases of GRACE Monthly Gravity Field Solutions. In: Geodätische Woche 2016. Hamburg, Germany. 11.-13.10.2016.

Meyer, Ulrich; Dahle, Christoph; Arnold, Daniel; Susnik, Andreja; Jäggi, Adrian (19 September 2016). Combination on normal equation level of monthly GRACE GPS- and SWARM gravity fields (Unpublished). In: International Symposium on Gravity, Geoid and Height Systems (GGHS). Thessaloniki, Greece. 19.-23.9.2016.

Molotov, I.; Schildknecht, Thomas; Montojo, F.J.; Rumyantsev, V.; Biryukov, V.; Zolotov, V.; Fakhrutdinov, T.; Zakhvatkin, M.; Voropaev, V.; Borovin, G.; Elenin, L.; Chestnov, D.; Kokina, T.; Namkhai, T.; Zalles, R.; Inasaridze, R.; Vikhristenko, A.; Buyko, S.; Smirnov, A.; Kornienko, G.; ... (September 2016). Increasing of new GEO/HEO space debris discovery rate with ISON optical network. In: 67th International Astronautical Congress (IAC). Guadalajara, Mexico. 26.-30.09.2016.

Jäggi, Adrian (September 2016). Swarm Precise Orbit Determination (Unpublished). In: Swarm Summer School for the DFG Special Programmes “DynamicEarth” and “PlanetMag”. Potsdam, Germany. 14.-16.09.2016.

Dach, Rolf (August 2016). Biases in Multi--GNSS Processing (Unpublished). In: NGK Summer School. Båstad, Sweden. 29.08.-01.09.2016.

Dach, Rolf (August 2016). GNSS Satellite Orbit Modelling Theory and Practice (Unpublished). In: NGK Summer School. Båstad, Sweden. 29.08.-01.09.2016.

Prange, Lars; Dach, Rolf; Villiger, Arturo; Arnold, Daniel; Beutler, Gerhard; Schaer, Stefan; Jäggi, Adrian (28 July 2016). Orbit modelling in CODE's MGEX solution (Unpublished). In: 1st International Conference on GNSS+. Shanghai, China. 27.-30.7.2016.

Arnold, Daniel (3 June 2016). Würde Albert einem GPS vertrauen? Relativitätstheorie im Alltag (Unpublished). In: Eine Nacht mit Albert 2016. Bern, Schweiz. 03.06.2016.

Dach, Rolf; Schaer, Stefan; Arnold, Daniel; Orliac, Etienne; Prange, Lars; Susnik, Andreja; Villiger, Arturo; Grahsl, Andrea; Mervart, Leos; Jäggi, Adrian; Beutler, Gerhard; Brockmann, Elmar; Ineichen, Daniel; Lutz, Simon; Wiget, Adrian; Rülke, Axel; Thaller, Daniela; Habrich, Heinz; Söhne, Wolfgang; Ihde, Johannes; ... (2016). CODE Analysis center: Technical Report 2015. In: Jean, Yoomin; Dach, Rolf (eds.) IGS Technical Report 2015 (pp. 25-43). Bern: IGS Central Bureau

Arnold, Daniel; Jäggi, Adrian; Bruinsma, Sean; Sanchez-Ortiz, Noelia (May 2016). High-accuracy orbit determination for the GOCE re-entry phase (Unpublished). In: ESA Living Planet Symposium. Prag, Tschechische Republik. 09.-13.05.2016.

Arnold, Daniel; Jäggi, Adrian; Beutler, Gerhard; Meyer, Ulrich; Schaer, Stefan (May 2016). Impact of ionosphere on GPS-based precise Swarm orbit and gravity field determination (Unpublished). In: ESA Lving Planet Symposium. Prag, Tschechische Republik. 09.-13.05.2016.

Bruinsma, Sean; Jäggi, Adrian; Arnold, Daniel; Sanchez-Ortiz, Noelia (May 2016). Analysis of high-resolution GOCE atmospheric densities. (Unpublished). In: ESA Living Planet Symposium. Prague Czech Republic. 09.-13.05.2016.

Peter, H.; Arnold, Daniel; Jäggi, Adrian; van den IJssel, J. (May 2016). Investigation on systematic offsets between different Swarm orbit solutions (Unpublished). In: ESA Living Planet Symposium. Prague, Czech Republic. 09.-13.05.2016.

Teixeira da Encarnação, J.; Arnold, Daniel; Bezdek, A.; Dahle, C.; Jäggi, Adrian; Mayer-Gürr, T.; Sebera, J.; Viesser, P.; Zehentner, N. (May 2016). Gravity field models derived from Swarm GPS data (Unpublished). In: EGU General Assembly 2016. Vienna, Austria. 17.-22.04.2016.

Mayer-Gürr, T.; Jäggi, Adrian; Meyer, Ulrich; Jean, Yoomin; Susnik, Andreja; Weigelt, M.; van Dam, T.; Flechtner, F.; Gruber, C.; Güntner, A.; Gouweleeuw, B.; Kvas, A.; Flury, J.; Bruinsma, S.; Lemoine, J.-M.; Zwenzer, H.; Bourgogne, S.; Bandikova, T. (May 2016). European Gravity Service for Improved Emergency Management - Status and project highlights (Unpublished). In: EGU General Assembly. Vienna, Austria. 17.-22.04.2016.

Encarnação, João Teixeira; Arnold, Daniel; Bezděk, Aleš; Dahle, Christoph; Doornbos, Eelco; van den IJssel, Jose; Jäggi, Adrian; Mayer-Gürr, Torsten; Sebera, Josef; Visser, Pieter; Zehentner, Norbert (May 2016). Gravity field models derived from Swarm GPS data (Unpublished). In: ESA Living Planet Symposium 2016. Prague, Czech Republic. 09.-13.05.2016.

Bertone, Stefano; Arnold, Daniel; Jäggi, Adrian; Beutler, Gerhard; Mervart, Leos; Meyer, Ulrich (April 2016). Latest Moon gravity field solutions from GRAIL data using the Celestial Mechanics Approach (Unpublished). In: EGU General Assembly. Wien, Österreich. 17.-22.04.2016.

Horwath, N; Groh, A; Jäggi, Adrian; Meyer, Ulrich; Jean, Yoomin; Dach, Rolf; Susnik, Andreja; Weigelt, M; van Dam, T; Flechtner, F; Gruber, C; Güntner, A; Goueleeuw, B; Mayer-Gürr, T; Kvas, A; Flury, J; Bruinsma, S; Lemoine, J.-M.; Zwnzer, H and Bourgogne, S (April 2016). Evaluation of recent GRACE monthly solution series with an ice sheet perspective. (Unpublished). In: EGU General Assembly. Vienna, Austria. 17.-22.04.2016.

Innerkofler, J.; Pock, C.; Kirchengast, G.; Schwaerz, M.; Jäggi, Adrian; Schwarz, J. (April 2016). Towards SI-traceable radio occultation excess phase processing with integrated uncertainty estimation for climate applications. (Unpublished). In: EGU General Assembly 2016. Vienna, Austria. 17.-22.04.2016.

Jäggi, Adrian; Flechtner, F.; Günter, A.; Weigelt, M.; van Dam, T.; Mayer-Gürr, T.; Zwenzer, S.; Bruinsma, S.; Flury, J.; Bourgogne, S. (April 2016). European Gravity Service for Improved Emergency Management. (Unpublished). In: ESA Living Planet Symposium. Prague, Czech Republic. 09.-13.05.2016.

Jean, Yoomin; Meyer, Ulrich; Jäggi, Adrian (April 2016). Simulation Study on Combination of GRACE Monthly Gravity Field Solutions. In: EGU General Assembly 2016. Vienna, Austria. 17.-22.04.2016.

Li, Z.; van Dam, T.; Chen, Q.; Weigelt, M.; Güntner, A.; Jäggi, Adrian; Meyer, Ulrich; Jean, Yoomin (April 2016). Validation of the EGSIEM combined monthly GRACE gravity fields. (Unpublished). In: EGU General Assembly 2016. Vienna, Austria. 17.-22.04.2016.

Meyer, Ulrich; Jean, Yoomin; Jäggi, Adrian; Mayer-Gürr, T.; Neumayer, H. (April 2016). Combination of GRACE monthly gravity models on normal equation level (Unpublished). In: EGU General Assembly 2016. Vienna, Austria. 17.-22.04.2016.

Prange, Lars; Orliac, Etienne; Dach, Rolf; Arnold, Daniel; Beutler, Gerhard; Schaer, Stefan; Jäggi, Adrian (April 2016). CODE's multi-GNSS orbit and clock solution - status 2016 (Unpublished). In: EGU General Assembly 2016. Vienna, Austria. 17.-22.04.2016.

Maier, Andrea; Susnik, Andreja; Meyer, Ulrich; Arnold, Daniel; Dach, Rolf; Jäggi, Adrian; Sosnica, Krzysztof Jakub; Thaller, Daniela (April 2016). SLR in the framework of the EGSIEM project (Unpublished). In: European Geosciences Union General Assembly 2016. Vienna, Austria. 17.–22.04.2016.

Arnold, Daniel; Dahle, Christoph; Jäggi, Adrian; Beutler, Gerhard; Meyer, Ulrich (April 2016). Impact of the ionosphere on GPS-based precise orbit determination of Low Earth Orbiters (Unpublished). In: European Geosciences Union General Assembly 2016. Vienna, Austria. 17.-22.04.2016.

Schmid, Ralf; Dach, Rolf; Collilieux, X.; Jäggi, Adrian; Schmitz, M.; Dilssner, F. (2016). Absolute IGS antenna phase center model igs08.atx: status and potential improvements. Journal of geodesy, 90(4), pp. 343-364. Springer 10.1007/s00190-015-0876-3

Arnold, Daniel; Dahle, C.; Jäggi, Adrian; Beutler, Gerhard; Meyer, Ulrich; Schaer, Stefan (February 2016). Impact of the ionosphere on GPS-based precise orbit determination of Low Earth Orbiters (Unpublished). In: IGS Workshop 2016. Sydney, Australia. 08.-10.02.2016.

Prange, Lars; Orliac, Etienne; Dach, Rolf; Arnold, Daniel; Beutler, Gerhard; Schaer, Stefan; Jäggi, Adrian (February 2016). Impact of the SRP model on CODE's 5-system orbit and clock solution for the MGEX. (Unpublished). In: IGS Workshop 2016. Sydney, Australia. 08.-12.02.2016.

Dach, Rolf; Schaer, Stefan; Arnold, Daniel; Orliac, Etienne; Prange, Lars; Susnik, Andreja; Villiger, Arturo; Andritsch, Florian; Bertone, Stefano; Fridez, Pierre; Jean, Yoomin; Maier, Andrea; Meyer, Ulrich; Ortiz Geist, Estefania; Scaramuzza, Stefano Maurizio; Sidorov, Dmitry; Sosnica, Krzysztof Jakub; Walser, Peter; Jäggi, Adrian (February 2016). Activities at the CODE Analysis Center (Unpublished). In: IGS Workshop 2016. Sydney, Australia. 08.-12.02.2016.

Susnik, Andreja; Dach, Rolf; Arnold, Daniel; Maier, Andrea; Jäggi, Adrian (February 2016). Reprocessing campaign in the framework of the EGSIEM project at AIUB (Unpublished). In: IGS Workshop 2016. Sydney, Australia. 08.-12.02.2016.

Maier, Andrea; Susnik, Andreja; Dach, Rolf; Jäggi, Adrian; Prange, Lars; Sosnica, Krzysztof Jakub (February 2016). GNSS orbit validation using SLR observations at CODE (Unpublished). In: IGS Workshop 2016. Sydney, Australia. 08.-12.02.2016.

Schaer, Stefan; Villiger, Arturo; Dach, Rolf; Arnold, Daniel (February 2016). Availability and Completeness of IGS Tracking Data (Unpublished). In: IGS Workshop 2016. Sydney, Australia. 8.-12.02.2016.

Scaramuzza, Stefano Maurizio; Dach, Rolf; Beutler, Gerhard; Arnold, Daniel; Jäggi, Adrian (February 2016). Dependency of Geodynamic Parameters on the GNSS Constellation (Unpublished). In: IGS Workshop 2016. Sydney, Australia. 08.-12.02.2016.

Lutz, Simon; Beutler, Gerhard; Schaer, Stefan; Dach, Rolf; Jäggi, Adrian (2016). CODE’s new ultra-rapid orbit and ERP products for the IGS. GPS solutions, 20(2), pp. 239-250. Springer 10.1007/s10291-014-0432-2

Jean, Yoomin; Dach, Rolf (2016). IGS Technical Report 2015 (IGS Technical Reports). Bern: IGS Central Bureau and University of Bern; Bern Open Publishing

Steigenberger, Peter; Fritsche, Mathias; Dach, Rolf; Schmid, Ralf; Montenbruck, Oliver; Uhlemann, Maik; Prange, Lars (2016). Estimation of satellite antenna phase center offsets for Galileo. Journal of geodesy, 90(8), pp. 773-785. Springer 10.1007/s00190-016-0909-6

Dach, Rolf; Schaer, Stefan; Arnold, Daniel; Prange, Lars; Susnik, Andreja; Villiger, Arturo; Jäggi, Adrian (2016). CODE final product series for the IGS. Astronomical Institute, University of Bern

Jäggi, Adrian; Beutler, Gerhard; Meyer, Ulrich; Bock, Heike; Mervart, Leos (2016). The Role of Position Information for the Analysis of K-Band Data: Experiences from GRACE and GOCE for GRAIL Gravity Field Recovery. In: Sneeuw, Nico; Novák, Pavel; Crespi, Mattia; Sansò, Fernando (eds.) VIII Hotine-Marussi Symposium on Mathematical Geodesy. International Association of Geodesy Symposia: Vol. 142 (pp. 157-163). Cham: Springer 10.1007/1345_2015_63

Meyer, Ulrich; Dahle, Ch; Sneeuw, N; Jäggi, Adrian; Beutler, Gerhard; Bock, Heike (2016). The effect of stochastic orbit parameters on GRACE range-rate residuals and monthly gravity fields. In: Sneeuw, Nico; Novák, Pavel; Crespi, Mattia; Sansò, Fernando (eds.) VIII Hotine-Marussi Symposium on Mathematical Geodesy. International Association of Geodesy Symposia: Vol. 142 (pp. 177-183). Cham: Springer 10.1007/1345_2015_67

Meyer, Ulrich; Jäggi, Adrian; Jean, Yoomin; Beutler, Gerhard (2016). AIUB-RL02: an improved time-series of monthly gravity fields from GRACE data. Geophysical journal international, 205(2), pp. 1196-1207. Blackwell Science 10.1093/gji/ggw081

Teixeira da Encarnação, João; Arnold, Daniel; Bezděk, Aleš; Dahle, Christoph; Doornbos, Eelco; van den IJssel, Jose; Jäggi, Adrian; Mayer-Gürr, Torsten; Sebera, Josef; Visser, Pieter; Zehentner, Norbert (2016). Gravity field models derived from Swarm GPS data. Earth, Planets and Space, 68(1) Springer 10.1186/s40623-016-0499-9

Beutler, Gerhard; Jäggi, Adrian (2016). Bahn- und Gravitationsfeldbestimmung aus den Positionen tief fliegender Satelliten. In: Freeden, Willi; Rummel, Reiner (eds.) Handbuch der Geodäsie. Springer Reference Naturwissenschaften: Vol. 5 (pp. 1-62). Berlin Heidelberg: Springer 10.1007/978-3-662-46900-2_4-2

Jäggi, Adrian; Arnold, Daniel (2016). Exercises in Orbit Determination [Dataset].

Cordelli, Emiliano; Vananti, Alessandro; Schildknecht, Thomas (2016). Covariance study to evaluate the influence of optical follow-up strategies on estimated orbital parameters. Acta astronautica, 122, pp. 76-89. Elsevier 10.1016/j.actaastro.2016.01.020

Zittersteijn, Michiel; Vananti, Alessandro; Schildknecht, Thomas; Dolado Perez, J.C.; Martinot, V. (2016). Associating optical measurements of MEO and GEO objects using Population-Based Meta-Heuristic methods. Advances in space research, 58(9), pp. 1778-1792. Elsevier 10.1016/j.asr.2016.06.026

Silha, Jiri; Schildknecht, Thomas; Flohrer, Tim (2016). Optical observations of Briz-M fragments in GEO. AMOS Conference Technical Papers. AMOS

Silha, Jiri; Schildknecht, Thomas; Pittet, Jean-Noël; Bodenmann, Dominik; Kanzler, R.; Kärräng, P.; Krag, H. (2016). Comparison of ENVISAT’s attitude simulation and real optical and SLR observations in order to refine the satellite attitude model. AMOS Technical Papers. AMOS

Vallduriola, G.V.; Suarez Trujillo, D.A.; Helfers, T.; Daens, Damien; Utzmann, J.; Pittet, Jean-Noël; Lievre, N. (2016). Streak Detection for Space Debris observation (Unpublished). In: 5th International Workshop on On-Board Payload Data Compression. Frascati, Italy. 28.-29.09.2016.

Silha, Jiri; Schildknecht, Thomas; Pittet, Jean-Noël; Hamara, M. (2016). Light curve database of Astronomical Institute of the University of Bern (Unpublished). In: 67th International Astronautical Congress (IAC). Guadalajara, Mexico. 26.-30.09.2016.

Cordelli, Emiliano; Vananti, Alessandro; Schildknecht, Thomas (2016). Analysis of the Orbit determination accuracy using laser ranges and angular measurements (Unpublished). In: 67th International Astronautical Congress (IAC). Guadalajara, Mexico. 26.-30.09.2016.

Zittersteijn, Michiel; Vananti, Alessandro; Schildknecht, Thomas; Dolado Perez, J.C.; Martinot, V. (2016). Associating optical measurements of geocentric objects with a Genetic Algorithm: application to experimental data (Unpublished). In: 67th International Astronautical Congress (IAC). Guadalajara, Mexico. 26.-30.09.2016.

Vananti, Alessandro; Schildknecht, Thomas; Siminski, J.; Flohrer, T.; Jilete, B. (2016). Association of tracklets from angular and range measurements (Unpublished). In: Final Stardust Conference. Noordwijk, Netherlands. 31.10.-04.11.2016.

Cordelli, Emiliano; Vananti, Alessandro; Schildknecht, Thomas (2016). Orbit improvement merging angular and laser range measurements (Unpublished). In: Final Stardust Conference. Noordwijk, Netherlands. 31.10.-04.11.2016.

Zittersteijn, Michiel; Vananti, Alessandro; Schildknecht, Thomas; Dolado Perez, J.C.; Martinot, V. (2016). Associating optical observations of space debris in GEO with an Elitist Genetic Algorithm (Unpublished). In: Final Stardust Conference. Noordwijk, Netherlands. 31.10.-04.11.2016.

Hinze, A.; Fiedler, H.; Schildknecht, Thomas (2016). Optimal scheduling for geosynchronous space object follow-up observations using a genetic algorithm. AMOS Technical Papers. AMOS

Lee, C.H.; Seitzer, P.; Cutri, R.M.; Grillmair, C.J.; Schildknecht, Thomas (2016). Infrared Photometry of GEO Spacecraft with WISE. AMOS Technical Papers. AMOS

Dach, Rolf; Schaer, Stefan; Arnold, Daniel; Prange, Lars; Sidorov, Dmitry; Susnik, Andreja; Villiger, Arturo; Jäggi, Adrian (2016). CODE rapid product series for the IGS. Astronomical Institute, University of Bern

Dach, Rolf; Schaer, Stefan; Arnold, Daniel; Prange, Lars; Sidorov, Dmitry; Susnik, Andreja; Villiger, Arturo; Jäggi, Adrian (2016). CODE ultra-rapid product series for the IGS. Bern CHE: Astronomical Institute, University of Bern

Arnold, Daniel; Lutz, Simon; Dach, Rolf; Jäggi, Adrian; Steinborn, J. (2016). Near Real-Time Coordinate Estimation from Double-Difference GNSS Data - A Case Study for the National Multi-Hazard Early Warning System in the Sultanate of Oman. In: Rizos, Chris; Willis, Pascal (eds.) IAG 150 Years. Proceedings of the IAG Scientific Assembly in Postdam, Germany, 2013. International Association of Geodesy Symposia: Vol. 143 (pp. 691-697). Cham: Springer 10.1007/1345_2015_173

2015

Lutz, Simon; Meindl, Michael; Steigenberger, Peter; Beutler, Gerhard; Sośnica, Krzysztof; Schaer, Stefan; Dach, Rolf; Arnold, Daniel; Thaller, Daniela; Jäggi, Adrian (2015). Impact of the arc length on GNSS analysis results. Journal of geodesy, 90(4), pp. 365-378. Springer 10.1007/s00190-015-0878-1

Orliac, Etienne; Prange, Lars; Dach, Rolf; Schaer, Stefan; Jäggi, Adrian (5 November 2015). MGEX Clock Determination at CODE. In: IGS Workshop on GNSS Biases. Bern, Switzerland. 05.-06.11.2015.

Bertone, Stefano; Arnold, Daniel; Jäggi, Adrian; Beutler, Gerhard; Mervart, Leos (22 October 2015). GRAIL Orbit Determination in the Bernese GNSS Software: First Results with combined Doppler and Inter-satellite KBRR (Unpublished). In: 25th International Symposium on Space Flight Dynamics. Munich. 22.10.2015.

Jäggi, Adrian (October 2015). Precise Orbit Determination (Unpublished). In: Wilhelm und Else Heraeus Autumn School on Gravity Field Modeling from Satellite-to-Satellite Tracking Data. Bad Honnef, Germany. 04.10.-09.10.2015.

Bertone, Stefano; Jäggi, Adrian; Arnold, Daniel; Beutler, Gerhard; Mervart, Leos (October 2015). Doppler Orbit Determination of Deep Space Probes by the Bernese GNSS Software: First Results of the Combined Orbit Determination from DSN and Inter-Satellite Ka-Band Data from the Grail Mission. In: 25th International Symposium on Space Flight Dynamics ISSFD. Munich, Germany. 19.– 23.10.2015.

Orliac, Etienne; Prange, Lars; Dach, Rolf; Arnold, Daniel; Beutler, Gerhard; Schaer, Stefan; Jäggi, Adrian (October 2015). Evaluation of CODE Multi-GNSS Clock Solution. In: 5th International Colloquium on Scientific and Fundamental Aspects of the Galileo Programme. Braunschweig, Germany. 27.-29.10.2015.

Jäggi, Adrian; Dahle, Christoph; Arnold, Daniel; Meyer, Ulrich; van den IJssel, Jose (September 2015). Orbit and Gravity Field Solutions from Swarm GPS Observations (Unpublished). In: IUGG 2015. Prague, Czech Republic. 22.06.-02.07.2015.

Dahle, Christoph; Jäggi, Adrian; Arnold, Daniel; Meyer, Ulrich; van den IJssel, Jose (September 2015). Orbit and Gravity Field Solutions from Swarm GPS Observations (Unpublished). In: GRACE Science Team Meeting 2015. Austin, Texas, USA. 21.09.-23.09.2015.

Bertone, Stefano; Arnold, Daniel; Jäggi, Adrian; Beutler, Gerhard; Mervart, Leos (September 2015). GRAIL Gravity Field Determination Using the Celestial Mechanics Approach - Status Report. In: European Planetary Science Congress 2015. Nantes, France. 28.09.-02.10.2015.

Arnold, Daniel; Bertone, Stefano; Jäggi, Adrian; Beutler, Gerhard; Mervart, Leos (2015). GRAIL gravity field determination using the Celestial Mechanics Approach. Icarus, 261, pp. 182-192. Elsevier 10.1016/j.icarus.2015.08.015

Prange, Lars; Dach, Rolf; Lutz, Simon; Schaer, Stefan; Jäggi, Adrian (2015). The CODE MGEX orbit and clock solution. In: Rizos, Chris; Willis, Pascal (eds.) IAG 150 Years. International Association of Geodesy Symposia: Vol. 143 (pp. 767-773). Springer 10.1007/1345_2015_161

Meyer, Ulrich; Jäggi, Adrian; Beutler, Gerhard; Bock, Heike (2015). The impact of common versus separate estimation of orbit parameters on GRACE gravity field solutions. Journal of geodesy, 89(7), pp. 685-696. Springer 10.1007/s00190-015-0807-3

Glaser, Susanne; Fritsche, Mathias; Sosnica, Krzysztof Jakub; Rodríguez-Solano, Carlos Javier; Wang, Kan; Dach, Rolf; Hugentobler, Urs; Rothacher, Markus; Dietrich, Reinhard (2015). A consistent combination of GNSS and SLR with minimum constraints. Journal of geodesy, 89(12), pp. 1165-1180. Springer 10.1007/s00190-015-0842-0

Jäggi, Adrian; Weigelt, Matthias; Dach, Rolf; Flechtner, Frank; Güntner, Andreas; Mayer-Gürr, Torsten; Martinis, Sandro; Bruinsma, Sean; Flury, Jakob; Bourgogne, Stephane (June 2015). European Gravity Service for Improved Emergency Management. In: EUREF Symposium 2015. Leipzig, Germany. 03.06.-05.06.2015.

Dach, Rolf; Arnold, Daniel; Prange, Lars; Beutler, Gerhard; Schaer, Stefan; Jäggi, Adrian (June 2015). Updating the CODE GNSS Orbit Model. In: EUREF 2015 Symposium. Leipzig, Germany. 03.06.-05.06.2015.

Roggenbuck, Ole; Thaller, Daniela; Engelhardt, Gerald; Dach, Rolf; Steigenberger, Peter; Franke, Stefan (June 2015). Consistency of parameters derived from global SLR, VLBI and GNSS solutions when using non-tidal loading deformation on the observation level (Unpublished). In: IUGG 2015. 22.06.-02.07.2015. Prague, Czech Republic.

Maier, Andrea; Susnik, Andreja; Arnold, Daniel; Sosnica, Krzysztof Jakub; Dach, Rolf; Jäggi, Adrian (June 2015). Validation of GNSS orbits using Satellite Laser Ranging data (Unpublished). In: IUGG 2015. Prague, Czech Republic. 22.06.-02.07.2015.

Scaramuzza, Stefano; Dach, Rolf; Beutler, Gerhard; Arnold, Daniel; Jäggi, Adrian (June 2015). Dependency of Geodynamic Parameters on GNSS Constellation (Unpublished). In: International Union of Geodesy and Geophysics, General Assembly 2015. Prague, Czech Republic. 22.06.-02.07.2015.

Meyer, Ulrich; Jäggi, Adrian; Jean, Yoomin; Arnold, Daniel (June 2015). Improving the noise model for AIUB monthly gravity field solutions (Unpublished). In: International Union of Geodesy and Geophysics, General Assembly 2015. Prague, Czech Republic. 22.06.-02.07.2015.

Orliac, Etienne; Prange, Lars; Dach, Rolf; Schaer, Stefan; Jäggi, Adrian (June 2015). Assessment of the CODE MGEX Clock Products. In: 26th IUGG General Assembly. Prag, Tschechische Republik. 22.06.-02.07,2015.

Sosnica, Krzysztof Jakub; Jäggi, Adrian; Meyer, Ulrich; Thaller, Daniela; Beutler, Gerhard; Arnold, Daniel; Dach, Rolf (2015). Time variable Earth’s gravity field from SLR satellites. Journal of geodesy, 89(10), pp. 945-960. Springer 10.1007/s00190-015-0825-1

Arnold, Daniel; Meindl, Michael; Beutler, Gerhard; Dach, Rolf; Schaer, Stefan; Lutz, Simon; Prange, Lars; Sosnica, Krzysztof Jakub; Mervart, Leos; Jäggi, Adrian (2015). CODE’s new solar radiation pressure model for GNSS orbit determination. Journal of geodesy, 89(8), pp. 775-791. Springer 10.1007/s00190-015-0814-4

Fritsche, Mathias; Dach, Rolf; Glaser, Susanne; Rülke, Axel; Vey, Sibylle (2015). GNSS – ein Werkzeug für globale und regionale geophysikalische Forschung. In: Novotny, Kristin; Scheinert, Mirko (eds.) Zum Verständnis des eisigen Südens: 20 Jahre Forschung in Geodäsie, Geodynamik und Glaziologie 1992-2012: Festschrift zum 65. Geburtstag von Prof. Reinhard Dietrich (pp. 17-36). Dresden: QUCOSA

Schaer, Stefan (2015). Bias and Calibration Working Group: IGS Technical Report 2014. In: Dach, Rolf; Jean, Yoomin (eds.) International GNSS Service: Technical Report 2014 (pp. 133-140). Bern: IGS Central Bureau

Arnold, Daniel; Bertone, Stefano; Jäggi, Adrian; Beutler, Gerhard; Mervart, Leos (12 April 2015). GRAIL Gravity Field Determination Using the Celestial Mechanics Approach - Status Report. In: EGU General Assembly 2015. Vienna, Austria. 12.4.-17.4.2015.

Sosnica, Krzysztof Jakub; Thaller, Daniela; Dach, Rolf; Steigenberger, Peter; Beutler, Gerhard; Arnold, Daniel; Jäggi, Adrian (2015). Satellite laser ranging to GPS and GLONASS. Journal of geodesy, 89(7), pp. 725-743. Springer 10.1007/s00190-015-0810-8

Ortiz Geist, Estefania; Dach, Rolf; Schoenemann, Erik; Enderle, Werner; Jäggi, Adrian (April 2015). Combination of precise GNSS orbit and clocks in a multi-constellation, multi-frequency environment (Unpublished). In: EGU General Assembly 2015. 12.-17.04.2015. Vienna, Austria.

van Dam, Tonie; Weigelt, Matthias; Jäggi, Adrian (2015). A warmer world. Pan European Networks: Science & Technology, 14, pp. 58-59. Pan European Networks

Meindl, Michael; Beutler, Gerhard; Thaller, Daniela; Dach, Rolf; Schaer, Stefan; Jäggi, Adrian (2015). A comment on the article “A collinearity diagnosis of the GNSS geocenter determination” by P. Rebischung, Z. Altamimi, and T. Springer. Journal of geodesy, 89(2), pp. 189-194. Springer 10.1007/s00190-014-0765-1

Jäggi, Adrian; Bock, Heike; Meyer, Ulrich; Beutler, Gerhard; van den IJssel, Jose (2015). GOCE: assessment of GPS-only gravity field determination. Journal of geodesy, 89(1), pp. 33-48. Springer 10.1007/s00190-014-0759-z

Steigenberger, Peter; Hugentobler, Urs; Loyer, Sylvain; Perosanz, Felix; Prange, Lars; Dach, Rolf; Uhlemann, Maik; Gendt, Gerd; Montenbruck, Oliver (2015). Galileo Orbit and Clock Quality of the IGS Multi-GNSS Experiment. Advances in space research, 55(1), pp. 269-281. Pergamon 10.1016/j.asr.2014.06.030

Jäggi, Adrian; Weigelt, Matthias; Flechtner, Frank; Güntner, Andreas; Mayer-Gürr, Torsten; Martinis, Sandro; Bruinsma, Sean; Flury, Jakob; Bourgogne, Stephane (2015). European Gravity Service for Improved Emergency Management - a new Horizon 2020 project to serve the international community and improve the accessibility to gravity field products (Unpublished). In: EGU General Assembly 2015. Vienna, Austria. 12.04.-17.04.2015.

Jean, Yoomin; Meyer, Ulrich; Jäggi, Adrian (2015). Combination of GRACE monthly gravity field solutions from different processing centers. In: EGU General Assembly 2015. Vienna, Austria. 12.04.-17.04.2015.

Meyer, Ulrich; Sosnica, Krzysztof Jakub; Maier, Andrea; Jäggi, Adrian (2015). Combined GRACE / SLR monthly gravity field solutions. In: EGU General Assembly 2015. Vienna, Austria. 12.04.-17.04.2015.

Sosnica, Krzysztof Jakub (2015). Contribution of Satellite Laser Ranging to Space Geodesy. In: EGU General Assembly 2015. Vienna, Austria. 12.04.-17.04.2015.

Prange, Lars; Orliac, Etienne; Dach, Rolf; Arnold, Daniel; Beutler, Gerhard; Schaer, Stefan; Jäggi, Adrian (2015). CODE's multi-GNSS orbit and clock solution. In: EGU General Assembly 2015. Vienna, Austria. 12.04.-17.04.2015.

Prange, Lars; Orliac, Etienne; Dach, Rolf; Arnold, Daniel; Beutler, Gerhard; Schaer, Stefan; Jäggi, Adrian (2015). CODE's multi-GNSS orbit and clock solution - status 2015 (Unpublished). In: COST Action ES1206 2nd Workshop. Thessaloniki, Greece. 11.05.-14.05.2015.

Steigenberger, Peter; Dach, Rolf; Prange, Lars; Montenbruck, Oliver (2015). Galileo satellite antenna modeling (Unpublished). In: EGU General Assembly 2015. Vienna, Austria. 12.04.-17.04.2015.

Dach, Rolf; Lutz, Simon; Walser, Peter; Fridez, Pierre (eds.) (2015). Bernese GNSS Software Version 5.2. Bern: University of Bern, Bern Open Publishing

Toth, J.; Svoren, J.; Borovicka, J.; Spurny, P.; Igaz, A.; Kornos, L.; Veres, P.; Husarik, M.; Zoza, J.; Kucera, A.; Zigo, P.; Gajdos, S.; Vilagi, J.; Capek, D.; Krisandova, Z.; Tomko, D.; Silha, Jiri; Schunova, E.; Bodnarova, M.; Buzova, D.; ... (2015). The Kosice meteorite fall: Recovery and strewn field. Meteoritics & planetary science, 50(5), pp. 853-863. Meteoritical Society at the University of Arkansas, Dept. of Chemistry and Biochemistry 10.1111/maps.12447

Toth, J.; Kornos, L.; Zigo, P.; Gajdos, S.; Kalmancok, D.; Vilagi, J.; Simon, J.; Veres, P.; Silha, Jiri; Bucek, M.; Galad, A.; Rusnak, P.; Hrabek, P.; Duris, F.; Rudawska, R. (2015). All-sky Meteor Orbit System AMOS and preliminary analysis of three unusual meteor showers. Planetary and space science, 118, pp. 102-106. Elsevier 10.1016/j.pss.2015.07.007

Silha, Jiri; Linder, Esther; Hager, Monika; Schildknecht, Thomas (2015). Optical Light Curve Observations to Determine Attitude States of Space Debris. In: Proceedings of 30th International Symposium on Space Technology and Science. Kobe, Japan.

Fiedler, H.; Weigel, M.; Herzog, J.; Schildknecht, Thomas; Prohaska, Marcel; Ploner, Martin; Montenbruck, O. (2015). SMARTnet: First Experience of Setting Up a Telescope System to Survey the Geostationary Ring. In: Proceedings of 25th International Symposium on Space Flight Dynamics. Munich, Germany.

Cordelli, Emiliano; Vananti, Alessandro; Schildknecht, Thomas (2015). Optimization of Optical Follow-up Strategies Based on Covariance Analysis (Unpublished). In: Proceedings of 6th European Conference for Aeronautics and Space Sciences. Krakow, Poland.

Zittersteijn, Michiel; Vananti, Alessandro; Schildknecht, Thomas; Dolado-Perez, J.C.; Martinot, V. (2015). A Genetic Algorithm to associate optical measurements and estimate orbits of geocentric objects (Unpublished). In: Proceedings of 6th European Conference for Aeronautics and Space Sciences. Krakow, Poland.

Zittersteijn, Michiel; Vananti, Alessandro; Schildknecht, Thomas; Dolado-Perez, J.C.; Martinot, V. (2015). Associating optical measurements and estimating orbits of geocentric objects through population-based meta-heuristic methods. In: Proceedings of 66th International Astronautical Congress. Curran Associates, Inc.

Cordelli, Emiliano; Vananti, Alessandro; Schildknecht, Thomas (2015). A covariance analysis to optimize the optical follow-up strategies. In: Proceedings of 66th International Astronautical Congress. Curran Associates, Inc.

Linder, Esther; Silha, Jiri; Schildknecht, Thomas; Hager, Monika (2015). Extraction of spin periods of space debris from optical light curves. In: Proceedings of 66th International Astronautical Congress. Curran Associates, Inc.

Vananti, Alessandro; Schildknecht, Thomas (2015). Relative estimate of accuracy in orbit determination from a short tracklet (Unpublished). In: Proceedings of workshop on Key Topics in Orbit Propagation Applied to Space Situational Awareness (KEPASSA). Toulouse, France.

Zittersteijn, Michiel; Vananti, Alessandro; Schildknecht, Thomas; Dolado-Perez, J.C.; Martinot, V. (2015). A study of the time complexity of an Elitist Genetic Algorithm used for associating optical observations of MEO and GEO Space Debris (Unpublished). In: Proceedings of workshop on Key Topics in Orbit Propagation Applied to Space Situational Awareness (KEPASSA). Toulouse, France.

Kanzler, R.; Silha, Jiri; Schildknecht, Thomas; Fritsche, B.; Lips, T.; Krag, H. (2015). Space debris attitude simulation - ιOTA (In-Orbit Tumbling Analysis). In: Proceedings of AMOS Conference. Curran Associates, Inc.

Vananti, Alessandro; Schild, Klaus; Schildknecht, Thomas (2015). Streak detection algorithm for space debris detection on optical images. In: Proceedings of AMOS Conference. Curran Associates, Inc.

Schildknecht, Thomas; Linder, Esther; Silha, Jiri; Hager, Monika; Koshkin, N.; Korobeinikova, E.; Melikiants, S.; Shakun, L.; Strakhov, S. (2015). Photometric monitoring of non-resolved space debris and databases of optical light curves. In: Proceedings of AMOS Conference. Curran Associates, Inc.

Arnold, Daniel; Bertone, Stefano; Jäggi, Adrian; Beutler, Gerhard; Mervart, Leos; Bock, Heike; Meyer, Ulrich; Dach, Rolf (2015). Analyzing GRAIL data: First lunar gravity field solutions at AIUB. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 90-93). Zürich: Swiss Geodetic Commission

Arnold, Daniel; Beutler, G.; Sośnica, K.; Meindl, M.; Lutz, S.; Dach, Rolf (2015). Updating the empirical CODE orbit model and validation of GPS and GLONASS orbits using Satellite Laser Ranging data. In: Wiget, A. (ed.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 19-20). Zürich: Swiss Geodetic Commission

Arnold, Daniel; Dach, Rolf; Steinborn, J.; Kloth, A. (2015). GNSS data processing in the national multi-hazard early warning system in the Sultanate of Oman. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Gilliéron, P.-Y.; Rothacher, M. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 182-184). Zürich: Swiss Geodetic Commission

Arnold, Daniel; Dahle, C.; Bock, Heike; Jäggi, Adrian (2015). SWARM-mission: Orbit determination and derived gravity field. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) wiss National Report on the GEODETIC ACTIVITIES in the years 2011 to 2015 (pp. 88-89). Zürich: Swiss Geodetic Commission

Arnold, Daniel; Lutz, S.; Beutler, Gerhard; Schaer, Stefan; Dach, Rolf (2015). Impact of orbit modeling on GNSS-derived geodynamic parameters. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities (pp. 119-120). Zürich: Swiss Geodetic Commission

Bock, Heike; Meyer, Ulrich; Jäggi, Adrian; Dach, Rolf; Beutler, Gerhard (2015). Processing facility for ESA's GOCE gravity field explorer mission. In: Mueller-Ganteinbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 78-79). Zürich: Swiss Geodetic Commission

Dach, Rolf; Arnold, Daniel; Baumann, Christian; Bertone, Stefano; Bock, Heike; Jean, Yoomin; Jäggi, Adrian; Lutz, Simon; Maier, Andrea; Meindl, Michael; Mervart, Leos; Meyer, Ulrich; Orliac, Etienne; Ortiz Geist, Estefania; Ostini, Luca; Prange, Lars; Schaer, S.; Sośnica, K.; Thaller, Daniela; Walser, Peter; ... (2015). Bernese GNSS Software. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 172-173). Zürich: Swiss Geodetic Commission

Jäggi, Adrian; Bock, Heike; Meyer, Ulrich; Beutler, Gerhard (2015). GPS-only gravity field recovery with GOCE, CHAMP, and GRACE. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 93-94). Zürich: Swiss Geodetic Commission

Jäggi, Adrian; Montenbruck, O.; Moon, Y.; Bodenmann, Dominik (2015). TANDEM-X baseline solutions using differential GPS. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 95-96). Zürich: Swiss Geodetic Commission

Lutz, Simon; Steigenberger, P.; Dach, Rolf; Schaer, S.; Sośnica, K. (2015). Reprocessing activities at CODE. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 17-18). Zürich: Swiss Geodetic Commission

Meyer, Ulrich; Jäggi, Adrian; Beutler, Gerhard; Mervart, Leos (2015). Combined global gravity field determination based on the GRACE-, GOCE-missions. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 80-81). Zürich: Swiss Geodetic Commission

Meyer, Ulrich; Jäggi, Adrian; Beutler, Gerhard; Mervart, Leos (2015). Time-variable global gravity fields derived from GRACE- and GOCE-measurements. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 82-83). Zürich: Swiss Geodetic Commission

Orliac, Etienne; Dach, Rolf (2015). Clock modelling in GNSS processing. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 180-181). Zürich: Swiss Geodetic Commission

Ortiz Geist, Estefania; Dach, Rolf; Schönemann, E.; Enderle, W. (2015). Updating the IGS orbit combination for a multi-system and multi-frequency environment. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 185-187). Zürich: Swiss Geodetic Commission

Ploner, Martin; Schildknecht, Thomas; Jäggi, Adrian; Lauber, Pierre; Utzinger, Johannes; Prohaska, Marcel; Brockmann, E. (2015). Satellite Laser Ranging at Zimmerwald. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 27-29). Zürich: Swiss Geodetic Commission

Prange, Lars; Orliac, Etienne; Dach, Rolf; Schaer, S.; Sośnica, K. (2015). CODE five system solution for IGS MGEX. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 21-22). Zürich: Swiss Geodetic Commission

Schaer, Stefan (2015). Ambiguity resolution for GLONASS. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 178-179). Zürich: Swiss Geodetic Commission

Schaer, Stefan; Arnold, Daniel; Baumann, Christian; Bock, Heike; Dach, Rolf; Prange, Lars; Lutz, Simon; Orliac, Etienne; Thaller, Daniela; Villiger, Arturo (2015). CODE contributions to the IGS. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 11-14). Zürich: Swiss Geodetic Commission

Schaer, Stefan; Beutler, Gerhard; Dach, Rolf; Meindl, Michael; Lutz, Simon (2015). Geocenter estimation from GNSS data. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 121-122). Zürich: Swiss Geodetic Commission

Schaer, Stefan; Dach, Rolf; Lutz, Simon; Meindl, Michael; Thaller, Daniela; Beutler, Gerhard (2015). CODE contributions to Earth rotation monitoring. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 117-118). Zürich: Swiss Geodetic Commission

Schaer, Stefan; Lutz, Simon; Villiger, Arturo; Dach, Rolf (2015). EUREF activities at CODE. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 15-16). Zürich: Swiss Geodetic Commission

Schaer, Stefan; Villiger, Arturo (2015). CODE contributions to global ionosphere monitoring. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 174-177). Zürich: Swiss Geodetic Commission

Schildknecht, Thomas; Jäggi, Adrian; Ploner, Martin; Brockmann, E. (2015). The Swiss optical ground station and geodynamics observatory Zimmerwald. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 25-26). Zürich: Swiss Geodetic Commission

Sośnica, K.; Dach, Rolf; Thaller, Daniela; Jäggi, Adrian; Beutler, Gerhard (2015). The blue-sky effect and the impact of the atmospheric pressure loading on SLR solutions. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 126-127). Zürich: Swiss Geodetic Commission

Sośnica, K.; Jäggi, Adrian; Meyer, Ulrich; Thaller, Daniela; Maier, Andrea; Beutler, Gerhard; Dach, Rolf (2015). Temporal Earth's gravity field variations from SLR observations. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 84-87). Zürich: Swiss Geodetic Commission

Sośnica, K.; Jäggi, Adrian; Thaller, Daniela; Dach, Rolf; Maier, Andrea; Beutler, Gerhard (2015). Geocenter coordinates and Earth rotation parameters from high and low orbiting SLR satellites. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 123-125). Zürich: Swiss Geodetic Commission

Sośnica, K.; Thaller, Daniela; Dach, Rolf; Maier, Andrea; Jäggi, Adrian (2015). Combination of SLR, GPS, and GLONASS observations using colocations in space as a contribution to the ITRF. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 27-29). Zürich: Swiss Geodetic Commission

Jean, Yoomin; Dach, Rolf (2015). IGS Technical Report 2014 (IGS Technical Reports). Bern: IGS Central Bureau and University of Bern; Bern Open Publishing

2014

Baur, Oliver; Weigelt, Matthias; Zehentner, Norbert; Mayer-Gürr, Torsten; van Dam, Tonie; Sosnica, Krzysztof Jakub; Jäggi, Adrian; Krauss, Sandro (December 2014). Surface mass variation monitoring from SLR and orbit information of GPS-tracked low-Earth orbiters (Unpublished). In: 2014 AGU Fall Meeting. San Francisco, USA. 15.-19.12.2014.

Jäggi, Adrian; Dach, Rolf; Schildknecht, Thomas (6 November 2014). Astronomisches Institut 2014: Aktivitäten und Projekte (Unpublished). In: Bericht an die 192. Sitzung der Schweizerischen Geodätischen Kommission. EPFL Lausanne, Switzerland. 6.11.2014.

Sosnica, Krzysztof Jakub; Baumann, Christian; Thaller, Daniela; Jäggi, Adrian; Dach, Rolf (November 2014). Combined LARES-LAGEOS Solutions. In: Proceedings of the 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.-15.11.2013.

Sosnica, Krzysztof Jakub; Jäggi, Adrian; Thaller, Daniela; Dach, Rolf; Beutler, Gerhard; Baumann, Christian (November 2014). SLR-derived terrestrial reference frame using the observations to LAGEOS-1/2, Starlette, Stella, and AJISAI. In: Proceedings of the 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.-15. November 2013.

Thaller, Daniela; Roggenbuck, Ole; Sosnica, Krzysztof Jakub; Steigenberger, Peter; Mareyen, Maria; Baumann, Christian; Dach, Rolf; Jäggi, Adrian (November 2014). SLR-GNSS analysis in the framework of the ITRF2013 computation. In: The 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.11.-15.11.2013.

Jäggi, Adrian (1 October 2014). Bahnbestimmung im Zeitalter der Space Geodesy (Unpublished). In: Geodätisches Kolloquium. Stuttgart, Deutschland. 10.01.2014.

Krüger, Yves; Hiltbrunner, Beat; Luder, Andres; Fleitmann, Dominik; Frenz, Martin (2014). Novel heating/cooling stage designed for fluid inclusion microthermometry of large stalagmite sections. Chemical geology, 386, pp. 59-65. Elsevier 10.1016/j.chemgeo.2014.08.004

Baur, Oliver; Bock, Heike; Höck, Eduard; Jäggi, Adrian; Krauss, Sandro; Mayer-Gürr, Torsten; Reubelt, Tilo; Siemes, Christian; Zehentner, Norbert (2014). Comparison of GOCE-GPS gravity fields derived by different approaches. Journal of geodesy, 88(10), pp. 959-973. Springer 10.1007/s00190-014-0736-6

Arnold, Daniel; Dach, Rolf; Beutler, Gerhard; Schaer, Stefan; Meindl, Michael; Lutz, Simon; Sosnica, Krzysztof Jakub; Jäggi, Adrian (October 2014). Impact of GNSS Orbit Modelling on Reference Frame Parameters (Unpublished). In: IAG Commission 1 Symposium 20142014: Reference Frames for Applications in Geosciences (REFAG2014). Kirchberg, Luxembourg. 13.-17.10.2014.

Beutler, Gerhard (October 2014). GNSS for Positioning, Navigation, Timing, and Science (Unpublished). In: 19th International Workshop on Laser Ranging. Annapolis, USA. 27.-31.10.2014.

Glaser, Susanne; Fritsche, Mathias; Sosnica, Krzysztof Jakub; Rodríguez Solano, Carlos Javier; Wang, Kan; Dach, Rolf; Hugentobler, Urs; Rothacher, Markus; Dietrich, Reinhard (October 2014). Validation of components of local ties (Unpublished). In: IAG Commission 1 Symposium 2014: Reference Frames for Applications in Geosciences REFAG2014. Kirchberg, Luxembourg. 13.10.-17.10.2014.

Thaller, Daniela; Sosnica, Krzysztof Jakub; Steigenberger, Peter; Roggenbuck, Ole; Dach, Rolf (October 2014). Pre-combined GNSS-SLR solutions for the ITRF2013 (Unpublished). In: 19th International Workshop on Laser Ranging, Celebrating 50 Year of SLR: Remembering the Past and Planning for the Future. Annapolis, Maryland, USA. 27.10. - 31.10. 2014.

Thaller, Daniela; Sosnica, Krzysztof Jakub; Steigenberger, Peter; Roggenbuck, Ole; Dach, Rolf (October 2014). Pre-combined GNSS-SLR solutions: What could be the benefit for the ITRF? (Unpublished). In: IAG Commission 1 Symposium 2014: Reference Frames for Applications in Geosciences (REFAG2014). Kirchberg, Luxembourg. 13.10. - 17.10.2014.

Ploner, Martin; Lauber, Pierre; Prohaska, Marcel; Ruzek, Peter; Schildknecht, Thomas; Verdun, Andreas; Jäggi, Adrian (October 2014). History of the Laser Observations at Zimmerwald (Unpublished). In: 9th International Workshop on Laser Ranging, Celebrating 50 Year of SLR: Remembering the Past and Planning for the Future. Annapolis, Maryland, USA. 27.-31.10.2014.

Weigelt, Matthias; van Dam, Tonie; Baur, Oliver; Tourian, Mohammad Javad; Steffen, Holger; Sosnica, Krzysztof Jakub; Jäggi, Adrian; Zehentner, Norbert; Mayer-Gürr, Torsten; Sneeuw, Nico (September 2014). How well can the combination of hlSST and SLR replace GRACE? (Unpublished). In: GRACE Science Team Meeting 2014. Potsdam, Germany. 29.09.-01.10.2014.

Bandikova, Tamara; Meyer, Ulrich; Klinger, Beate; Tregoning, Paul; Flury, Jakob; Mayer-Gürr, Torsten (September 2014). Improved star camera attitude data and their effect on the gravity field. In: GRACE Science Team Meeting. Potsdam, Germany. 29.09.-01.10.2014.

Jäggi, Adrian; Dahle, Christoph; Arnold, Daniel; Meyer, Ulrich; Bock, Heike (August 2014). Kinematic Space-Baselines and their Use for Gravity Field Recovery. In: 40th COSPAR Scientific Assembly. Moscow, Russia. 02.-10.8.2014.

Fritsche, Mathias; Sosnica, Krzysztof Jakub; Rodríguez-Solano, Carlos Javier; Steigenberger, Peter; Wang, Kan; Reinhard, Dietrich; Dach, Rolf; Hugentobler, Urs; Rothacher, Markus (2014). Homogeneous reprocessing of GPS, GLONASS and SLR observations. Journal of geodesy, 88(7), pp. 625-642. Springer 10.1007/s00190-014-0710-3

Bock, Heike; Jäggi, Adrian; Beutler, Gerhard; Meyer, Ulrich (2014). GOCE: precise orbit determination for the entire mission. Journal of geodesy, 88(11), pp. 1047-1060. Springer 10.1007/s00190-014-0742-8

Beutler, Gerhard (23 June 2014). Modeling and estimating the orbits of GNSS: Key principles in history and future. In: IGS Workshop 2014. Pasadena, California, USA. 23.06.-27.06.2014.

Beutler, Gerhard (23 June 2014). The International GNSS Service (IGS): Development and Achievements since 1991. In: IGS Workshop 2014. Pasadena, California, USA. 23.06.-27.06.2014.

Lutz, Simon; Steigenberger, Peter; Beutler, Gerhard; Schaer, Stefan; Dach, Rolf; Jäggi, Adrian (23 June 2014). GNSS orbits and ERPs from CODE’s repro2 solutions. In: IGS Workshop 2014. Pasadena, California, USA. 23.06.-27.06.2014.

Prange, Lars; Steigenberger, Peter; Uhlemann, Mike; Loyer, Sylvain; Springer, Tim (23 June 2014). Orbit and Clock Determination - Galileo. In: IGS Workshop 2014. Pasadena, California, USA. 23.06.-27.06.2014.

Schaer, Stefan (23 June 2014). Biases Relevant to GPS and GLONASS Data Processing. In: IGS Workshop 2014. Pasadena, California, USA. 23.06.-27.06.2014.

Dach, Rolf; Schaer, Stefan; Lutz, Simon; Arnold, Daniel; Bock, Heike; Orliac, Etienne; Prange, Lars; Bertone, Stefano; Jean, Yoomin; Meyer, Ulrich; Sosnica, Krzysztof Jakub; Walser, Peter; Jäggi, Adrian (23 June 2014). Activities at the CODE Analysis Center. In: IGS Workshop 2014. Pasadena, California, USA. 23.06.-27.06.2014.

Lutz, Simon; Beutler, Gerhard; Schaer, Stefan; Dach, Rolf; Jäggi, Adrian (23 June 2014). Updating the CODE ultra-rapid procedure. In: IGS Workshop 2014. Pasadena, California, USA. 23.06.-27.06.2014.

Schaer, Stefan; Arnold, Daniel; Dach, Rolf; Lutz, Simon (23 June 2014). Availability and Completeness of IGS Tracking Data. In: IGS Workshop 2014. Pasadena, California, USA. 23.06.-27.06.2014.

Sosnica, Krzysztof Jakub; Jäggi, Adrian; Dach, Rolf; Thaller, Daniela (23 June 2014). Impact of temporal gravity field parameters determined from GNSS satellites on the estimated Earth rotation parameters. In: IGS Workshop 2014. Pasadena, California, USA. 23.06.-27.06.2014.

Dach, Rolf; Schaer, Stefan; Hugentobler, Urs; Rodríguez Solano, Carlos Javier; Lutz, Simon; Steigenberger, Peter; Sosnica, Krzysztof Jakub; Meindl, Michael; Beutler, Gerhard; Jäggi, Adrian (23 June 2014). Estimating the geocenter from GNSS data. In: IGS Workshop 2014. Pasadena, California, USA. 23.06.–27.06.2014.

Beutler, Gerhard; Dach, Rolf; Montenbruck, Oliver; Hugentobler, Urs; Weber, Georg; Brockmann, Elmar (3 June 2014). GLONASS and Multi-GNSS in the IGS: Lessons learned from GLONASS Service Disruptions. In: 13th Meeting of the National Space-Based Positioning, Navigation, and Timing (PNT) Advisory Board. Washington DC, USA. 3.6.-4,6.2014.

Li, Yi-Shan; Hwang, Cheinway; Tseng, Tzu-Pang; Huang, Cheng-Yung; Bock, Heike (2014). A Near-Real-Time Automatic Orbit Determination System for COSMIC and Its Follow-On Satellite Mission: Analysis of Orbit and Clock Errors on Radio Occultation. IEEE transactions on geoscience and remote sensing, 52(6), pp. 3192-3203. Institute of Electrical and Electronics Engineers IEEE 10.1109/TGRS.2013.2271547

Steigenberger, Peter; Hugentobler, Urs Peter; Lutz, Simon; Dach, Rolf (June 2014). Code Contribution to the 2nd IGS Reprocessing. In: IGS Workshop 2014. Pasadena, California, USA. 23.-27.06.2014.

Dach, Rolf; Montenbruck, Oliver; Prange, Lars (June 2014). Status of the IGS-MGEX Project (Unpublished). In: EUREF Symposium – EUREF 2014. Vilnius, Lithuania. 03.-07.06.2014.

Prange, Lars; Dach, Rolf; Lutz, Simon; Schaer, Stefan; Jäggi, Adrian (June 2014). The CODE solution for the IGS MGEX (Unpublished). In: IGS Workshop 2014. Pasadena, California, USA. 23.06. - 27.06.2014.

Sosnica, Krzysztof Jakub; Jäggi, Adrian; Thaller, Daniela; Dach, Rolf; Beutler, Gerhard (2014). Contribution of Starlette, Stella, and AJISAI to the SLR-derived global reference frame. Journal of geodesy, 88(8), pp. 789-804. Springer 10.1007/s00190-014-0722-z

Dach, Rolf; Schaer, Stefan; Lutz, Simon; Baumann, Christian; Bock, Heike; Orliac, Etienne; Prange, Lars; Thaller, Daniela; Mervart, Leos; Jäggi, Adrian; Beutler, Gerhard; Brockmann, Elmar; Ineichen, Daniel; Wiget, Adrian; Weber, Georg; Habrich, Heinz; Söhne, Wolfgang; Ihde, Johannes; Steigenberger, Peter and Hugentobler, Urs (2014). Center for Orbit Determination in Europe (CODE). In: Dach, Rolf; Jean, Yoomin (eds.) IGS Technical Report 2013 (pp. 21-34). Pasadena, CA, USA: IGS Central Bureau

Schaer, Stefan (2014). Activities of Bias and Calibration Working Group. In: Dach, Rolf; Jean, Yoomin (eds.) IGS Technical Report 2013 (pp. 137-143). Pasadena, CA, USA: IGS Central Bureau

Dach, Rolf; Jean, Yoomin (2014). IGS Technical Report 2013 (IGS Technical Reports). Bern: IGS Central Bureau and University of Bern; Bern Open Publishing

Bock, Heike; Jäggi, Adrian; Meyer, Ulrich (27 April 2014). GOCE – Validation of last days’ orbits with kinematic PPP. In: EGU General Assembly 2014. Vienna, Austria. 27.4.-2.5.2014.

Prange, Lars; Dach, Rolf; Lutz, Simon; Schaer, Stefan; Jäggi, Adrian (15 April 2014). IGS-related multi-GNSS activities at CODE (Unpublished). In: ENC-GNSS 2014 Conference. Rotterdam, The Netherlands. 15.04.-17.04.2014.

Siminski, J.; Montenbruck, O.; Fiedler, H.; Schildknecht, Thomas (2014). Short-arc tracklet association for geostationary objects. Advances in space research, 53(8), pp. 1184-1194. Pergamon 10.1016/j.asr.2014.01.017

Sosnica, Krzysztof Jakub (7 April 2014). Determination of Precise Satellite Orbits and Geodetic Parameters using Satellite Laser Ranging (Unpublished). In: Public defense of the doctoral dissertation. University of Bern, Switzerland. 07.04.2014.

Jäggi, Adrian; Meyer, Ulrich; Weigelt, Matthias; van Dam, Tonie; Mayer-Gürr, Torsten; Flury, Jakob; Flechtner, Frank; Dahle, Christoph; Lemoine, Jean-Michel; Bruinsma, Sean (4 April 2014). Towards combined global monthly gravity field solutions (Unpublished). In: EGU General Assembly 2014. Vienna, Austria. 27.4.-02.05.2014.

Jäggi, Adrian (3 April 2014). Bahnbestimmung künstlicher Erd- und Mondsatelliten - was man aus hochgenauen Bahnen lernen kann. In: Delegiertenversammlung / Jubiläumstagung der Schweizerischen Astronomischen Gesellschaft. Bern. 03.05.2014.

Sosnica, Krzysztof Jakub (2014). Determination of Precise Satellite Orbits and Geodetic Parameters using Satellite Laser Ranging. (Dissertation, University of Bern, Switzerland, Astronomical Institute, Faculty of Science)

Fujimoto, K.; Scheeres, D.; Herzog, Johannes; Schildknecht, Thomas (2014). Association of optical tracklets from a geosynchronous belt survey via the direct Bayesian admissible region approach. Advances in space research, 53(2), pp. 295-308. Pergamon 10.1016/j.asr.2013.11.021

Sosnica, Krzysztof Jakub; Dach, Rolf; Jäggi, Adrian; Steigenberger, Peter; Thaller, Daniela (2014). GNSS orbit validation using SLR at CODE (Unpublished). In: IGS Workshop 2014. Pasadena, California, USA. 23.- 27.06.2014.

Sosnica, Krzysztof Jakub; Jäggi, Adrian; Thaller, Daniela; Meyer, Ulrich; Baumann, Christian; Dach, Rolf; Beutler, Gerhard (2014). Earth gravity field recovery using GPS, GLONASS, and SLR satellites. In: Proceedings of the 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.-15.11.2013.

Thaller, Daniela; Sosnica, Krzysztof Jakub; Dach, Rolf; Jäggi, Adrian; Beutler, Gerhard; Mareyen, Maria; Richter, Bernd (2014). Geocenter coordinates from GNSS and combined GNSS-SLR solutions using satellite co-locations. In: Earth on the Edge: Science for a Sustainable Planet, International Association of Geodesy Symposia. International Association of Geodesy Symposia: Vol. 139 (pp. 129-134). Berlin Heidelberg: Springer-Verlag 10.1007/978-3-642-37222-3_16

Arnold, Daniel; Bertone, Stefano; Jäggi, Adrian; Beutler, Gerhard; Bock, Heike; Meyer, Ulrich; Mervart, Leos (2014). GRAIL Gravity Field Determination Using the Celestial Mechanics Approach. In: EGU General Assembly 2014. Vienna, Austria. 27.04.-02.05.2014.

Dach, Rolf; Meindl, Michael; Beutler, Gerhard; Schaer, Stefan; Lutz, Simon; Jäggi, Adrian (2014). Estimating the Geocenter from GNSS Observations. In: EGU General Assembly 2014. Vienna, Austria. 27.04.-02.05.2014.

Lutz, Simon; Schaer, Stefan; Steigenberger, Peter; Dach, Rolf; Beutler, Gerhard; Meindl, Michael; Jäggi, Adrian (2014). Earth rotation and GNSS orbits from one-day and three-day arcs. In: EGU General Assembly 2014. Vienna, Austria. 27.04.-02.05.2014.

Prange, Lars; Dach, Rolf; Lutz, Simon; Schaer, Stefan; Jäggi, Adrian (2014). CODE's contribution to the IGS MGEX. In: EGU General Assembly 2014. Vienna, Austria. 27.04.-02.05.2014.

Sosnica, Krzysztof Jakub; Jäggi, Adrian; Thaller, Daniela; Dach, Rolf; Beutler, Gerhard; Meyer, Ulrich (2014). Temporal Earth's Gravity Variations Derived from GPS, GLONASS, and SLR Satellites. In: EGU General Assembly 2014. Vienna, Austria. 27.04.-02.05.2014.

Dahle, Christoph; Bock, Heike; Jäggi, Adrian; König, Rolf; Michalak, Grzegorz; Flechtner, Frank (2014). Orbit and Gravity Field Solutions from Swarm GPS Observations - First Results. In: 3rd Swarm Science Meeting. Copenhagen, Denmark. 19.6.-20.6.2014.

Jäggi, Adrian; Bock, Heike; Meyer, Ulrich; Weigelt, Matthias (2014). Gravity Field Recovery from GOCE Precise Science Orbit Positions. In: 5th International GOCE User Workshop. Paris, France. 25.11.-28.11.2014.

Bock, Heike; Jäggi, Adrian; Meyer, Ulrich (2014). GOCE – Last days’ orbits (Unpublished). In: 40th COSPAR Scientific Assembly 2014. Moscow, Russia. 02.08.-10.08.2014.

Bertone, Stefano; Arnold, Daniel; Jäggi, Adrian; Beutler, Gerhard; Mervart, Leo (2014). GRAIL Gravity Field Determination Using the Celestial Mechanics Approach. In: AGU Fall Meeting 2014. San Francisco, California, USA. 15.12.-19.12.2014.

Jäggi, Adrian; Dahle, Christoph; Arnold, Daniel; Meyer, Ulrich; Bock, Heike; Flechtner, Frank; van den IJssel, Jose (2014). Orbit and Gravity Field Solutions from Swarm GPS Observations. In: AGU Fall Meeting 2014. San Francisco, California, USA. 15.12.-19.12.2014.

Jäggi, Adrian; Bock, Heike; Meyer, Ulrich (2014). GOCE Precise Science Orbits for the entire mission (Unpublished). In: 5th International GOCE User Workshop. UNESCO, Paris, France. 25.11.-28.11.2014.

Fujimoto, K.; Alfriend, T.; Schildknecht, Thomas (2014). A boundary value problem approach to too-short arc optical track association. In: Wilson, Roby S.; Zanetti, Renato; Mackison, Donald L.; Abdelkhalik, Ossama (eds.) Proceedings of 24th Space Flight Mechanics Meeting. Advances in the Astronautical Sciences: Vol. 152. Univelt, Inc.

Silha, Jiri; Schildknecht, Thomas; Flohrer, T. (2014). Improved Space Object Orbit Determination Using CMOS Detectors. In: Proceedings of 15th AMOS Conference (pp. 67-76). Curran Associates, Inc.

Silha, Jiri; Schildknecht, Thomas; Hinze, Andreas; Vananti, Alessandro (2014). Additional optical surveys for space debris on highly eccentric and inclined MEO orbits. In: Proceedings of 65th International Astronautical Congress (pp. 1183-1188). International Astronautical Federation ( IAF )

Silha, Jiri; Schildknecht, Thomas; Hinze, Andreas; Utzmann, J.; Wagner, A.; Willemsen, P.; Teston, F.; Flohrer, T. (2014). Capability of a space-based space surveillance system to detect and track objects in GEO, MEO and LEO orbits. In: Proceedings of 65th International Astronautical Congress (pp. 1160-1168). International Astronautical Federation ( IAF )

Utzmann, J.; Wagner, A.; Silha, Jiri; Schildknecht, Thomas; Willemsen, P.; Teston, F.; Flohrer, T. (2014). A system design for space-based space surveillance. In: Proceedings of Small Satellites Systems and Services Symposium. Porto Petro, Spain. 26.05.-30.05.2014.

Utzmann, J.; Wagner, A.; Silha, Jiri; Schildknecht, Thomas; Willemsen, P.; Teston, F.; Flohrer, T. (2014). Space-based space surveillance and tracking demonstrator: mission and system design. In: Proceedings of 65th International Astronautical Congress (pp. 1648-1655). International Astronautical Federation ( IAF )

Wickert, Jens; Andersen, Ole; Beyerle, Georg; Chapron, Bertrand; Cardellach, Estel; Gommenginger, Christine; Hoeg, Per; Jäggi, Adrian; Jakowski, Norbert; Kern, Michael; Lee, Tong; Martin-Neira, Manuel; Pierdicca, Nazzareno; Shum, C. K.; Zuffada, Cinzia (2014). GEROS-ISS: Innovative Ocean Remote Sensing using GNSS Reflectometry onboard the International Space Station (Unpublished). In: EGU General Assembly 2014. Vienna, Austria. 27.04.-02.05.2014.

Arnold, Daniel; Bertone, Stefano; Jäggi, Adrian; Beutler, Gerhard; Bock, Heike; Meyer, Ulrich; Mervart, Leos (2014). Status of GRAIL Gravity Field Determination Using the Celestial Mechanics Approach (Unpublished). In: COSPAR Scientific Assembly 2014. Moscow, Russia. 06.08.2014.

Weigelt, Matthias; Jäggi, Adrian; Flechtner, Frank; Güntner, Andreas; Mayer-Gürr, Torsten; Sandro, Martinis; Bruinsma, Sean; Flury, Jakob; Bourgogne, Stephane; van Dam, Tonie; Dach, Rolf; Gruber, Christian (2014). The new Horizon2020 "European Gravity Service for Improved Emergency Management" project – A new service for gravity field products and to support emergency response to hydrological extreme events (Unpublished). In: GRACE Science Team Meeting 2014. Potsdam, Germany. 29.09.-01.10.2014.

Weigelt, Matthias; van Dam, Tonie; Baur, Oliver; Steffen, Holger; Jäggi, Adrian; Prange, Lars; Bock, Heike; Meyer, Ulrich; Mayer-Gürr, Torsten; Zehentner, Norbert; Tourian, Mohammad J.; Sneeuw, Nico (2014). Pushing the limits of gravity field recovery from high-low satellite-to-satellite tracking – a combination of 10 years of data of the satellite pseudo-constellation CHAMP, GRACE and GOCE (Unpublished). In: EGU General Assembly 2014. Vienna, Austria. 27.04. - 02.05.2014.

Zehentner, Norbert; Mayer-Gürr, Torsten; Weigelt, Matthias; Jäggi, Adrian (2014). Non-dedicated satellite missions for time variable gravity field estimation (Unpublished). In: GRACE Science Team Meeting 2014. Potsdam, Germany. 29.09.-01.10.2014.

Jäggi, Adrian; Bock, Heike; Meyer, Ulrich; Weigelt, Matthias (2014). GOCE Precise Science Orbits for the entire mission and their use for Gravity Field Recovery (Unpublished). In: 40th COSPAR Scientific Assembly 2014. Moscow, Russia. 02.08.-10.08.2014.

Jäggi, Adrian; Weigelt, Matthias; Flechtner, Frank; Güntner, Andreas; Mayer-Gürr, Torsten; Martinis, Sandro; Bruinsma, Sean; Flury, Jakob; Bourgogne, Stephane (2014). European Gravity Service for Improved Emergency Management – a new Horizon 2020 project to serve the international community and improve the accessibility to gravity field products (Unpublished). In: GRACE Science Team Meeting 2014. Potsdam, Germany. 29.09.-01.10.2014.

Meyer, Ulrich; Jäggi, Adrian (2014). AIUB-RL02 monthly gravity field solutions from GRACE kinematic orbits and range-rates (Unpublished). In: GRACE Science Team Meeting 2014 (GSTM). Potsdam, Germany. 29.09.2014.

Sosnica, Krzysztof Jakub; Jäggi, Adrian; Thaller, Daniela; Dach, Rolf; Meyer, Ulrich (2014). Earth Rotation and Gravity Field Parameters from Satellite Laser Ranging. Proceedings of the 19th International Workshop on Laser Ranging, Celebrating 50 Year of SLR: Remembering the Past and Planning for the Future.

Sosnica, Krzysztof Jakub; Jäggi, Adrian; Dach, Rolf; Thaller, Daniela; Beutler, Gerhard (2014). Earth's oblateness changes from GPS, GLONASS, and SLR data (Unpublished). In: 40th COSPAR Scientific Assembly 2014. Moscow, Russia. 02.08.-10.08.2014.

Sosnica, Krzysztof Jakub; Jäggi, Adrian; Meyer, Ulrich; Weigelt, Matthias; van Dam, Tonie; Zehentner, Norbert; Mayer-Gürr, Torsten (2014). Time varying gravity from SLR and combined SLR and high-low satellite-to-satellite tracking data (Unpublished). In: GRACE Science Team Meeting 2014. Potsdam, Germany. 29.09.-01.10.2014.

Sosnica, Krzysztof Jakub; Dach, Rolf; Thaller, Daniela; Jäggi, Adrian; Beutler, Gerhard; Arnold, Daniel (2014). Processing 20 years of SLR observations to GNSS satellites (Unpublished). In: 19th International Workshop on Laser Ranging, Celebrating 50 Year of SLR: Remembering the Past and Planning for the Future. Annapolis, Maryland, USA. 27.-31.10.2014.

Sosnica, Krzysztof Jakub; Jäggi, Adrian; Thaller, Daniela; Dach, Rolf; Meyer, Ulrich (2014). Earth Rotation and Gravity Field Parameters from Satellite Laser Ranging. Proceedings of the 19th International Workshop on Laser Ranging, Celebrating 50 Year of SLR: Remembering the Past and Planning for the Future.

Sosnica, Krzysztof Jakub; Dach, Rolf; Thaller, Daniela; Jäggi, Adrian; Beutler, Gerhard; Arnold, Daniel (2014). Processing 20 years of SLR observations to GNSS satellites. Proceedings of the 19th International Workshop on Laser Ranging, Celebrating 50 Year of SLR: Remembering the Past and Planning for the Future.

Jäggi, Adrian; Bock, Heike; Meyer, Ulrich (2014). GOCE precise orbit determination for the entire Mission – challenges in the final mission phase. ESA Special Publications 728, Papers from the 5th International GOCE User Workshop, Paris, France, November 2014..

Rexer, Moritz; Pail, Roland; Fecher, Thomas; Meyer, Ulrich (2014). Time Variable Gravity: Contributions of GOCE Satellite Data to Monthly and Bi-monthly GRACE Gravity Estimates. In: Marti, Urs (ed.) Gravity, Geoid and Height Systems. International Association of Geodesy Symposia: Vol. 141 (pp. 35-40). Springer International Publishing 10.1007/978-3-319-10837-7_5

Flegel, S.; Voersmann, P.; Schildknecht, Thomas (2014). Reevaluation of the MASTER-2009 MLI and H-10 Debris Modeling. In: 65th International Astronautical Congress 2014 (IAC 2014) (pp. 1796-1808). Red Hook, NY: International Astronautical Federation ( IAF )

Herzog, Johannes; Fiedler, H.; Weigel, M.; Montenbruck, O.; Schildknecht, Thomas (2014). SMARTnet: A Sensor for Monitoring the Geostationary Ring. In: Proceedings of 24th International Symposium on Space Flight Dynamics. Laurel, Maryland. 05.-09.05.2014.

Steigenberger, Peter; Lutz, Simon; Dach, Rolf; Schaer, Stefan; Jäggi, Adrian (2014). CODE repro2 product series for the IGS. Bern CHE: Astronomical Institut, University of Bern

2013

Jäggi, Adrian; Arnold, Daniel; Beutler, Gerhard; Bock, Heike; Meyer, Ulrich; Mervart, Leos (December 2013). GRAIL Gravity Field Determination Using the Celestial Mechanics Approach - First Results. In: AGU Fall Meeting 2013. San Francisco, California. 09.-13.12.2013.

Jäggi, Adrian; Bock, Heike; Thaller, Daniela; Sosnica, Krzysztof Jakub; Meyer, Ulrich; Baumann, Christian; Dach, Rolf (December 2013). Precise Orbit Determination of Low Earth Satellites at AIUB using GPS and SLR data. In: Papers from the ESA Living Planet Symposium 2013. Edinburgh, United Kingdom. 09.-15.12.2013.

Ploner, Martin; Lauber, Pierre; Prohaska, Marcel; Schlatter, Peter; Utzinger, Johannes; Schildknecht, Thomas; Jäggi, Adrian (11 November 2013). The new CMOS Tracking Camera used at the Zimmerwald Observatory. In: Proceedings of the 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.-15.11.2013.

Ploner, Martin; Lauber, Pierre; Prohaska, Marcel; Ruzek, Peter; Schlatter, Peter; Utzinger, Johannes; Schildknecht, Thomas; Jäggi, Adrian (11 November 2013). Status of the Zimmerwald SLR station. In: Proceedings of the 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.-15.11.2013.

Sosnica, Krzysztof Jakub; Rodríguez Solano, Carlos Javier; Thaller, Daniela; Jäggi, Adrian; Dach, Rolf; Beutler, Gerhard (11 November 2013). Impact of Earth radiation pressure on LAGEOS orbits and on the global scale. In: 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.-15.11.2013.

Thaller, Daniela; Roggenbuck, Ole; Sosnica, Krzysztof Jakub; Steigenberger, Peter; Mareyen, Maria; Baumann, Christian; Dach, Rolf; Jäggi, Adrian (November 2013). SLR-GNSS analysis in the framework of the ITRF2013 computation (Unpublished). In: 18th International Workshop on Laser Ranging,. Fujiyoshida, Japan. 11.11.-15.11.2013.

Ploner, Martin; Utzinger, Johannes; Lauber, Pierre; Prohaska, Marcel; Schlatter, Peter; Ruzek, Peter; Schildknecht, Thomas; Sosnica, Krzysztof Jakub; Jäggi, Adrian (November 2013). Status of the Zimmerwald SLR station. In: 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.-15.11.2013.

Sosnica, Krzysztof Jakub; Baumann, Christian; Thaller, Daniela; Jäggi, Adrian; Dach, Rolf (November 2013). Combined LARES-LAGEOS solutions. In: 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.-15.11.2013.

Jäggi, Adrian (10 October 2013). In ständiger Bewegung - Bahnbestimmung im Zeitalter der Space Geodesy. In: Erdmessungsforum, Geodätische Woche. Essen, Deutschland. 10.10.2013.

Jäggi, Adrian; Meyer, Ulrich; Beutler, Gerhard; Weigelt, Matthias; van Dam, Tonie; Mayer-Gürr, Torsten; Flury, Jakob; Flechtner, Frank; Dahle, Christoph (October 2013). Towards combined global monthly gravity field solutions. In: GRACE Science Team Meeting 2013. Austin, Texas. 23.-25.10. 2013.

Arnold, Daniel; Lutz, Simon; Dach, Rolf; Jäggi, Adrian; Steinborn, Jens (1 September 2013). Near real-time coordinate estimation from double-difference GNSS data. In: IAG Scientific Assembly 2013. Potsdam, Germany. 1.9.2013.

Schildknecht, T.; Silha, J.; Hinze, A.; Vananti, A.; Flohrer, T. (September 2013). An Optical Survey for Space Debris on Highly Eccentric MEO Orbits (Unpublished). In: 62. Deutscher Luft- und Raumfahrtkongress. Stuttgart, Germany. 10.-12.09.2013.

Steigenberger, Peter; Hessels, Uwe; Röttcher, Klaus; Lutz, Simon; Dach, Rolf; Hugentobler, Urs (September 2013). Monitoring of antenna changes at IGS stations in Iceland (Unpublished). In: IAG Scientific Assembly 2013. Potsdam, Germany. 01.-06.09.2013.

Fritsche, Mathias; Rodriguez-Solano, Carlos; Steigenberger, Peter; Sosnica, Krzysztof Jakub; Wang, Kan; Hugentobler, Urs; Dach, Rolf; Rothacher, Markus (September 2013). Impact of GLONASS in a rigorous combination with GPS (Unpublished). In: International Association of Geodesy Scientific Assembly. Potsdam, Germany. 01.-06.09.2013.

Thaller, Daniela; Roggenbuck, Ole; Sosnica, Krzysztof Jakub; Mareyen, Maria; Dach, Rolf; Jäggi, Adrian (September 2013). Validation of local ties between SLR and GNSS by using space ties (Unpublished). In: International Association of Geodesy Scientific Assembly. Potsdam, Germany. 01.-06.09.2013.

Bock, Heike; Jäggi, Adrian; Meyer, Ulrich; van den IJssel, Jose; Visser, Pieter; Heinze, Markus (September 2013). Four Years of Orbit Determination for the GOCE Satellite. In: ESA Living Planet Symposium. Edinburgh, Scotland. 09.-13.09.2013.

Jäggi, Adrian; Bock, Heike; Thaller, Daniela; Sosnica, Krzysztof Jakub; Meyer, Ulrich; Baumann, Christian; Dach, Rolf (September 2013). Precise Orbit Determination of Low Earth Satellites at AIUB using GPS and SLR. In: ESA Living Planet Symposium. Edinburgh, Scotland. 09.-13.09.2013.

Lutz, Simon; Meindl, Michael; Beutler, Gerhard; Thaller, Daniela; Springer, Tim; Dach, Rolf; Schaer, Stefan; Jäggi, Adrian (September 2013). Orbit and ERP modeling issues of a multi-GNSS analysis. In: International Association of Geodesy (IAG) Scientific Assembly 2013. Potsdam, Germany. 01.-06.09.2013.

Sosnica, Krzysztof Jakub; Jäggi, Adrian; Beutler, Gerhard; Meyer, Ulrich; Dach, Rolf; Thaller, Daniela; Mervart, Leos (September 2013). Time variable Earth's gravity field from SLR and GNSS satellites. In: International Association of Geodesy (IAG) Scientific Assembly 2013. Potsdam, Germany. 01.-06.09.2013.

Sosnica, Krzysztof; Thaller, Daniela; Dach, Rolf; Jäggi, Adrian; Beutler, Gerhard (2013). Impact of loading displacements on SLR-derived parameters and on the consistency between GNSS and SLR results. Journal of geodesy, 87(8), pp. 751-769. Springer 10.1007/s00190-013-0644-1

Weigelt, Matthias; van Dam, Tonie; Jäggi, Adrian; Prange, Lars; Tourian, Mohammad J.; Keller, Wolfgang; Sneeuw, Nico (2013). Time-variable gravity signal in Greenland revealed by high-low satellite-to-satellite tracking. Journal of Geophysical Research: Solid Earth, 118(7), pp. 3848-3859. American Geophysical Union 10.1002/jgrb.50283

Jäggi, Adrian (7 July 2013). Satellite Orbit Determination (Unpublished). In: Gfg2 Second Summerschool. Potsdam, Germany. 01.07.2013.

Orliac, Etienne; Jäggi, Adrian; Bock, Heike; Dach, Rolf (July 2013). GRACE Kinematic Orbit Determination: the Role of Clocks (Unpublished). In: The 2013 Joint UffC, EFTF and PFM Symposium. Prague, Czech Republic. 21.-25.07.2013.

Orliac, Etienne; Dach, Rolf; Wang, Kan; Rothacher, Markus; Hugentobler, Urs; Steigenberger, Peter; Enderle, Werner (July 2013). Satellite Clock Modelling and Multi-GNSS Solutions. In: The 2013 Joint UffC, EFTF and PFM Symposium. Prague, Czech Republic. 22.-25.07.2013.

Beutler, Gerhard; Jäggi, Adrian; Meyer, Ulrich; Bock, Heike (21 June 2013). Methods of gravity field determination: Attempt of an Overview. In: VIII Hotine Marussi Symposium. Rom, Italy. 17.6.-21.6.2013.

Meyer, Ulrich; Dahle, Christoph; Sneeuw, Nico; Jäggi, Adrian; Beutler, Gerhard; Bock, Heike (June 2013). Orbit and gravity field: common versus sequential analysis. In: VIII Hotine Marussi Symposium. Rome, Italy. 17.-21.06.2013.

Dach, Rolf; Prange, Lars (24 May 2013). Multiconstellation GNSS with the advent of Galileo (Unpublished). In: 1st GAL workshop. Como, Italy. 24.05.2013.

Gazeaux, Julien; Williams, Simon; King, Matt; Bos, Machiel; Dach, Rolf; Deo, Manoj; Moore, Angelyn W.; Ostini, Luca; Petrie, Elizabeth; Roggero, Marco; Teferle, Felix Norman; Olivares, German; Webb, Frank H. (2013). Detecting offsets in GPS time series: first results from the Detection of Offsets in GPS Experiment. Journal of Geophysical Research: Solid Earth, 118(5), pp. 2397-2407. American Geophysical Union 10.1002/jgrb.50152

Prange, Lars; Dach, Rolf; Schaer, Stefan; Lutz, Simon; Jäggi, Adrian (May 2013). Experiences with IGS MGEX data analysis at CODE (Unpublished). In: EUREF Symposium 2013. Budapest, Hungary. 29.-31.05.2013.

Thaller, Daniela; Roggenbuck, Ole; Sosnica, Krzysztof Jakub; Mareyen, Maria; Dach, Rolf; Jäggi, Adrian (May 2013). Validation of GNSS-SLR local ties by using space ties (Unpublished). In: IERS Workshop 2013: Local Surveys and Co-locations. Paris. 21.-22.05.2013.

Lutz, Simon; Arnold, Daniel; Schaer, Stefan; Dach, Rolf; Jäggi, Adrian (May 2013). New RINEX file monitoring at CODE. In: EUREF Symposium 2013. Budapest, Hungary. 29.-31.05.2013.

Meyer, Ulrich; Jäggi, Adrian; Bock, Heike; Beutler, Gerhard (April 2013). The role of a priori information in gravity field determination. In: EGU General Assembly 2013. Vienna, Austria. 07.-12.04.2013.

Prange, Lars; Lutz, Simon; Dach, Rolf; Schaer, Stefan; Jäggi, Adrian (April 2013). MGEX data analysis at CODE – current status (Unpublished). In: EGU General Assembly 2013. Vienna, Austria. 08.-12.04.2013.

Thaller, Daniela; Beutler, Gerhard; Jäggi, Adrian; Meindl, Michael; Dach, Rolf; Sosnica, Krzysztof Jakub; Baumann, Christian (April 2013). Earth rotation parameters from satellite techniques (Unpublished). In: EGU General Assembly 2013. Vienna, Austria. 07.-12.04.2013.

Utzmann, J.; Wagner, A.; Blanchet, G.; Assemat, F.; Vial, S.; Dehecq, B.; Fernandez Sanchez, J.; Garcia Espinosa, J.R.; Agueda Mate, A.; Bartsch, G.; Schildknecht, T.; Lindman, N.; Fletcher, E.; Martin, L.; Moulin, S. (April 2013). Architectural Design for a European SST System. In: Proceedings of 6th European Conference on Space Debris. Spacebooks Online: Vol. SP-723. European Space Agency

van Dam, Tonie; Tourian, Mohammad; Weigelt, Matthias; Sneeuw, Nico; Jäggi, Adrian; Prange, Lars (April 2013). Hydrological mass changes inferred from high-low satellite-to-satellite tracking data (Unpublished). In: EGU General Assembly 2013. Vienna, Austria. 07.-12.04.2013.

Dach, Rolf; Jean, Yoomin (2013). Technical Report 2012 Pasadena, CA: International GNSS Service

Dach, Rolf; Schaer, Stefan; Lutz, Simon; Meindl, Michael; Bock, Heike; Orliac, Etienne; Prange, Lars; Mervart, Leos; Jäggi, Adrian; Beutler, Gerhard; Brockmann, Elmar; Ineichen, Daniel; Wiget, Adrian; Weber, Georg; Habrich, Heinz; Ihde, Johannes; Steigenberger, Peter; Hugentobler, Urs (2013). Center for Orbit Determination In Europe. In: Dach, Rolf; Jean, Yoomin (eds.) IGS Technical Report 2012 (pp. 33-46). International GNSS Service

Schaer, Stefan (2013). Bias and Calibration Working Group. In: Dach, Rolf; Jean, Yoomin (eds.) IGS Technical Report 2012 (pp. 149-152). International GNSS Service

Schöne, T.; Bingley, R.; Deng, Z.; Griffiths, J.; Habrich, H.; Hunegnaw, A.; Jia, M.; King, M.; Merrifield, M.; Mitchum, G.; Neilan, R.; Noll, C.; Prouteau, E.; Sánchez, L.; Teferle, N.; Thaller, Daniela; Tregoning, P.; Woodworth, P.; Wöppelmann, G. (2013). Tide Gauge Benchmark Monitoring Project. In: Dach, Rolf; Jean, Yoomin (eds.) IGS Technical Report 2012 (pp. 189-194). International GNSS Service

Dach, Rolf; Jean, Yoomin (2013). IGS Technical Report 2012 (IGS Technical Reports). Bern: IGS Central Bureau and University of Bern; Bern Open Publishing

Bock, Heike; Jäggi, Adrian; Meyer, Ulrich; Beutler, Gerhard; van den IJssel, Jose (2013). GPS-only gravity field determination from GOCE data (Unpublished). In: IAG Scientific Assembly 2013. Potsdam, Germany. 01.-06.09.2013.

Prange, Lars; Dach, Rolf; Lutz, Simon; Schaer, Stefan; Jäggi, Adrian (2013). The CODE MGEX orbit and clock solution (Unpublished). In: IAG Scientific Assembly 2013. Potsdam, Germany. 01.-06.09.2013.

Sosnica, Krzysztof Jakub; Jäggi, Adrian; Thaller, Daniela; Meyer, Ulrich; Beutler, Gerhard; Dach, Rolf (2013). Earth gravity field recovery using GPS, GLONASS, and SLR satellites (Unpublished). In: 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.-15.11.2013.

Sosnica, Krzysztof Jakub; Jäggi, Adrian; Thaller, Daniela; Beutler, Gerhard; Dach, Rolf; Baumann, Christian (2013). SLR-derived terrestrial reference frame using observations to LAGEOS-1/2, Starlette, Stella, and AJISAI. In: 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.-15.11.2013.

Schildknecht, T.; Hinze, A.; Vananti, A.; Flohrer, T. (2013). An Optical Survey for Space Debris on Highly Eccentric MEO Orbits. In: Proceedings of 29th International Symposium on Space Technology and Science. Nagoya-Aichi, Japan. 02.-09.06.2013.

Schildknecht, T.; Hinze, A.; Schlatter, P.; Silha, J.; Peltonen, J.; Säntti, T.; Flohrer, T. (2013). Improved Space Object Observation Techniques using CMOS Detectors. In: Proceedings of 6th European Conference on Space Debris. Spacebooks Online: Vol. SP-723. European Space Agency

Hinze, A.; Schildknecht, T.; Flohrer, T.; Krag, H. (2013). Results of space debris survey observations on highly-eccentric MEO orbits. In: Proceedings of 6th European Conference on Space Debris. Spacebooks Online: Vol. SP-723. European Space Agency

Herzog, J.; Schildknecht, T.; Hinze, A.; Ploner, M.; Vananti, A. (2013). Space Surveillance Observations at the AIUB Zimmerwald Observatory. In: Proceedings of 6th European Conference on Space Debris. Spacebooks Online: Vol. SP-723. European Space Agency

Vananti, A.; Schildknecht, T. (2013). Dependence of Orbit Determination Accuracy on the Observer Position. In: Proceedings of 6th European Conference on Space Debris. Spacebooks Online: Vol. SP-723. European Space Agency

Schildknecht, T.; Herzog, J.; Vananti, A.; Ploner, M.; Fletcher, E. (2013). Coordinated Optical GEO Survey for European SSA Precursor Services. In: Proceedings of 64th International Astronautical Congress (pp. 1999-2000). International Astronautical Federation ( IAF )

Vananti, A.; Schildknecht, T.; Pinna, G.M.; Flohrer, T. (2013). Assessment of possible observation strategy in LEO regime. In: Proceedings of 64th International Astronautical Congress (pp. 2363-2372). International Astronautical Federation ( IAF )

Schildknecht, T.; Herzog, J.; Vananti, A.; Ploner, M.; Fletcher, E. (2013). Coordinated Optical GEO Survey for European SSA Precursor Services. In: Proceedings of 14th AMOS Conference (pp. 422-426). Red Hook, NY: Curran Associates, Inc.

Fujimoto, K.; Herzog, J.; Schildknecht, T.; Scheeres, D. (2013). Improvements to Optical Track Association with the Direct Bayesian Admissible Region Method. In: Proceedings of 14th AMOS Conference (pp. 659-668). Red Hook, NY: Curran Associates, Inc.

Fujimoto, K.; Scheeres, D.; Herzog, J.; Schildknecht, T. (2013). Applying the Direct Bayesian Admissible Region Approach to the Association of GEO Belt Optical Observations. In: Proceedings of 29th International Symposium on Space Technology and Science. Nagoya-Aichi, Japan. 02.-09.06.2013.

Siminski, J.A.; Fiedler, H.; Schildknecht, T. (2013). Track Association Performance of the Best Hypotheses Search Method. In: Proceedings of 6th European Conference on Space Debris. Spacebooks Online: Vol. SP-723. European Space Agency

Fujimoto, K.; Scheeres, D.; Herzog, J.; Schildknecht, T. (2013). Association of Short-Arc Optical Tracks via the Direct Bayesian Admissible Region: Theory and Application. In: Proceedings of 6th European Conference on Space Debris. Spacebooks Online: Vol. SP-723. European Space Agency

Herzog, J. (2013). Cataloguing of Objects on High and Intermediate Altitude Orbits (Unpublished). (Dissertation, Universität Bern, Philosophisch-naturwissenschaftlichen Fakultät)

Fritsche, Mathias; Rodriguez-Solano, Carlos; Steigenberger, Peter; Sosnica, Krzysztof Jakub; Wang, Kan; Hugentobler, Urs; Dach, Rolf; Rothacher, Markus (2013). Joint Reprocessing of GPS, GLONASS and SLR. In: EGU General Assembly 2013. Geophysical Research Abstracts: Vol. 15. Copernicus Publications

Baumann, Christian; Thaller, Daniela; Sosnica, Krzysztof Jakub; Jäggi, Adrian; Dach, Rolf; Mareyen, Maria (2013). LARES' contribution to GGOS - Assessment after one year in orbit. In: EGU General Assembly 2013. Vienna, Austria. 07.-12.04.2013.

Baur, Oliver; Bock, Heike; Ditmar, Pavel; Hashemi Farahani, Hassan; Jäggi, Adrian; Mayer-Gürr, Torsten; Reubelt, Tilo; Zehentner, Norbert (2013). Comparison of GOCE-GPS gravity fields derived by different approaches. In: EGU General Assembly 2013. Vienna, Austria. 07.-12.04.2013.

Meyer, Ulrich; Jäggi, Adrian; Beutler, Gerhard; Sosnica, Krzysztof Jakub; Bock, Heike (2013). AIUB-RL02 monthly gravity fields from GRACE data. In: International Association of Geodesy (IAG) Scientific Assembly 2013. Potsdam, Germany. 01.-06.09.2013.

Weigelt, Matthias; Van Dam, Tonie; Jäggi, Adrian; Prange, Lars; Sneeuw, Nico; Keller, Wolfgang; Tourian, J. Mohammad (2013). Long-term mass changes over Greenland derived from high-low satellite-to-satellite tracking. In: EGU General Assembly 2013. Vienna, Austria. 07.-12.04.2013.

Weigelt, Matthias; Van Dam, Tonie; Tourian, Mohammad J.; Steffen, Holger; Baur, Oliver; Jäggi, Adrian; Prange, Lars; Meyer, Ulrich; Mayer-Gürr, Torsten; Zehentner, Norbert; Sneeuw, Nico (2013). On the capability to derive mass estimates from high-low satellite-to-satellite tracking data. In: AGU Fall Meeting 2013. San Francisco, California, USA. 09.-13.12.2013.

Wickert, Jens; Andersen, Ole; Beyerle, Georg; Chapron, Bertrand; Cardellach, Estel; D'Addio, Salvatore; Förste, Christoph; Gommenginger, Christine; Gruber, Thomas; Helm, Achim; Hess, Marc-Peter; Hoeg, Per; Jäggi, Adrian; Jakowski, Norbert; Kern, Michael; Lee, Tong; Martin-Neira, Manuel; Montenbruck, Oliver; Pierdicca, Nazzareno; Rius, Antonio; ... (2013). GEROS-ISS: Innovative GNSS based Remote Sensing aboard the International Space Station for GGOS. In: AGU Fall Meeting 2013. San Francisco, California, USA. 09.-13.12.2013.

Jäggi, Adrian; Dach, Rolf; Schildknecht, Thomas (2013). Astronomisches Institut 2013: Aktivitäten und Projekte (Unpublished). In: Bericht an die 190. Sitzung der Schweizerischen Geodätischen Kommission. Schweiz. 08.11.2013.

Meindl, Michael; Beutler, Gerhard; Thaller, Daniela; Dach, Rolf; Jäggi, Adrian (2013). Geocenter coordinates estimated from GNSS data as viewed by perturbation theory. Advances in space research, 51(7), pp. 1047-1064. Pergamon 10.1016/j.asr.2012.10.026

Meyer, Ulrich; Dahle, Christoph Matthias; Sneeuw, Nico; Jäggi, Adrian; Beutler, Gerhard; Bock, Heike (2013). The effect of stochastic orbit parameters on GRACE range-rate residuals and monthly gravity fields (Unpublished). In: IAG Symposia Hotine-Marussi VIII. Rome, Italy. 17.-21.06.2013.

Jäggi, Adrian; Beutler, Gerhard; Meyer, Ulrich; Bock, Heike; Mervart, Leos (2013). The role of position information for the analysis of K-Band data — experiences from GRACE and GOCE for GRAIL gravity field recovery (Unpublished). In: IAG Symposia proceedings Hotine-Marussi VIII. Rome, Italy. 17.-21.06.2013.

Sosnica, Krzysztof Jakub; Rodriguez-Solano, Carlos; Thaller, Daniela; Jäggi, Adrian; Dach, Rolf; Beutler, Gerhard (2013). Impact of Earth Radiation Pressure on LAGEOS Orbits and on the Global Scale. In: 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.-15.11.2013.

2012

Meindl, Michael; Dach, Rolf; Jean, Yoomin (2012). IGS Technical Report 2011 (IGS Technical Reports). Bern: IGS Central Bureau and University of Bern; Bern Open Publishing

Montenbruck, Oliver; Hugentobler, Urs; Dach, Rolf; Steigenberger, Peter; Hauschild, André (2012). Apparent clock variations of the Block IIF-1 (SVN62) GPS satellite. GPS solutions, 16(3), pp. 303-313. Berlin: Springer 10.1007/s10291-011-0232-x

Flohrer, T.; Bastida Virgili, B.; Krag, H.; Klinkrad, H.; Merz, K.; Schildknecht, T.; Lemmens, S. (2012). Tailoring the Observation Scenarios and Data Processing Techniques for Supporting Conjunction Event Assessments. In: Proceedings of 9th US-Russian Space Surveillance Workshop.

Früh, C.; Schildknecht, T. (2012). Variation of the area-to-mass ratio of high area-to-mass ratio space debris objects. Monthly notices of the Royal Astronomical Society, 419(4), pp. 3521-3528. Oxford: Oxford University Press 10.1111/j.1365-2966.2011.19990.x

Früh, Carolin; Schildknecht, Thomas (2012). Object image linking of earth orbiting objects in the presence of cosmics. Advances in space research, 49(3), pp. 594-602. Oxford: Pergamon 10.1016/j.asr.2011.10.021

Früh, Carolin; Schildknecht, Thomas (2012). Accuracy of Two-Line-Element Data for Geostationary and High-Eccentricity Orbits. Journal of guidance, control, and dynamics, 35(5), pp. 1483-1491. New York, N.Y.: American Institute of Aeronautics and Astronautics 10.2514/1.55843

Früh, C.; Schildknecht, T. (2012). Attitude Motion of Space Debris Objects under Influence of Solar Radiation Pressure and Gravity. In: Proceedings of 63rd International Astronautical Congress, Naples, Italy.

Herzog, J.; Schildknecht, T. (2012). Analysis of the Long-term Area-to-Mass Ratio Variation of Space Debris. In: Proceedings of AMOS Conference.

Herzog, J.; Schildknecht, T.; Hinze, A.; Ploner, M.; Vananti, A. (2012). Long-term Evolution of Orbits of High Area-to-Mass Ratio Objects in the Geostationary Ring. In: Proceedings of Deutscher Luft- und Raumfahrtkongress, Berlin.

Herzog, J.; Schildknecht, T.; Ploner, M. (2012). Search for Space Debris in the MEO Region with Z im SMART. In: Proceedings of 63rd International Astronautical Congress, Naples, Italy.

Hinze, A.; Schildknecht, T.; Vananti, A.; Krag, H.; Flohrer, T. (2012). Observation Strategies for Space Debris on Highly-eccentric MEO Orbits. In: Proceedings of 63rd International Astronautical Congress, Naples, Italy.

Schildknecht, T.; Herzog, J.; Hinze, A.; Vananti, A.; Ploner, M. (2012). AIUB Efforts to Survey, Track, and Characterize Small-size Objects at High Altitudes. In: Proceedings of Deutscher Luft- und Raumfahrtkongress, Berlin.

Schildknecht, T.; Vananti, A.; Herzog, J.; Hinze, A.; Krag, H.; Flohrer, T. (2012). Optical Surveys for Space Debris in MEO. In: Proceedings of 9th US-Russian Space Surveillance Workshop, Listvyanka, Russia.

Schildknecht, T.; Vananti, A.; Hinze, A.; Herzog, J.; Ploner, M. (2012). Long-term Evolution of High Area-to-Mass Ratio Objects in Different Orbital Region. In: Proceedings of AMOS Conference.

Baumann, C.; Sosnica, K.; Thaller, D.; Jäggi, A.; Dach, R.; Mareyen, M. (2012). LARES: Analysis of the first month of data. In: Proceedings of the International Technical Laser Workshop 2012 ITLW-12, Frascati, Rome, Italy, 5.-9.11.2012.

Bock, Heike (2012). Präzise Bahnbestimmung von GOCE mittels GPS, SGK-Sitzung Mai 2012.

Bock, Heike; Dach, Rolf; Jäggi, Adrian (2012). Impact of inconsistent use of IERS Conventions on PPP results. In: EGU General Assembly, Vienna, Austria.

Bock, Heike; Dach, Rolf; Jäggi, Adrian (2012). Impact of Inconcsistent Use of IERS Conventions on PPP results. In: IGS Workshop 2012, Olsztyn,Poland.

Bock, Heike; Jäggi, Adrian; Beutler, Gerhard (2012). GOCE orbit determination using accelerometer data. In: 39th COSPAR Assembly, 14.-22.7.2012, Mysore, India.

Dach, Rolf (2012). Recent Developments at CODE analysis center.

Dach, Rolf (2012). PPP – das Einfach, das so schwer zu machen ist. In: PPP - eine kleine Revolution im GPS-Bereich! Informationsnachmittag. HSR Hochschule für Technik Rapperswil FHO. 13.09.2012.

Dach, R. (2012). Navigation mit Satelliten: die Zukunft hat bereits begonnen. Geomatik Herbstkolloquium, FHNW Muttenz.

Dach, Rolf (2012). Introduction and current status CODE, IGS Workshop on GNSS Biases 2012.

Dach, Rolf (2012). Comparison of IGS AC GLONASS clock correction results, IGS Workshop on GNSS Biases 2012. In: IGS Workshop on GNSS Biases. Bern, Switzerland. January 18-19, 2012.

Dach, R. (2012). Aktuelle Projekte im Rahmen von CODE, 187. Sitzung der SGK.

Dach, R.; Meindl, M.; Lutz, S.; Prange, L.; Schaer, S.; Jäggi, A. (2012). Precise multi-GNSS applications: the future is running. In: EUREF 2012 Symposium. Paris, France. 6.-8.6.2012.

Dach, Rolf; Schaer, Stefan; Lutz, Simon; Meindl, Michael; Bock, Heike; Orliac, Etienne; Prange, Lars; Thaller, Daniela; Yoomin, Jean; Meyer, Ulrich; Ostini, Luca; Sosnica, Krzysztof (2012). Activities at the CODE Analysis Center. In: IGS Workshop 2012, Olsztyn,Poland.

Dach, R.; Schaer, S.; Lutz, S.; Meindl, M.; Bock, H.; Orliac, E.; Prange, L.; Thaller, D.; Mervart, L.; Jäggi, A.; Beutler, G.; Brockmann, E.; Ineichen, D.; Wiget, A.; Weber, G.; Habrich, H.; Ihde, J.; Steigenberger, P.; Hugentobler, U. (2012). Center for Orbit Determination in Europe: IGS Technical Report 2011. In: Meindl, M.; Dach, R.; Jean, Y. (eds.) International GNSS Service: Technical Report 2011,.

Dach, Rolf; Steigenberger, Peter; Böhm, Johannes (2012). Mitigation of unmodelled non-tidal atmospheric pressure loading into parameters of a global GNSS solution. In: GGFC Workshop, Vienna, Austria.

Dach, Rolf; Steigenberger, Peter; Lutz, Simon; Böhm, Johannes (2012). Mitigation of unmodelled non-tidal atmospheric pressure loading into parameters of a global GNSS solution. In: IGS Workshop 2012, Olsztyn, Poland.

Toho Diessongo, Herman; Bock, Heike; Schüler, Torben; Junker, Stefan; Kiroe, Anthony (2012). Exploiting the Galileo E5 Wideband Signal. Inside GNSS, pp. 64-73. Eugene, Ore.: Gibbons Media and Research

Fritsche, Mathias; Rodriguez-Solano, Carlos; Steigenberger, Peter; Sosnica, Krzysztof; Wang, Kan; Dietrich, Reinhard; Hugentobler, Urs; Dach, Rolf; Rothacher, Markus (2012). Joint Reprocessing of GPS, GLONASS and SLR Observations - First Results. In: IGS Workshop 2012, Olsztyn, Poland.

Jäggi, A.; Beutler, G.; Meyer, U.; Prange, L.; Dach, R.; Mervart, L. (2012). AIUB-GRACE02S: Status of GRACE Gravity Field Recovery Using the Celestial Mechanics Approach. In: Kenyon, Steve; Pacino, Maria Christina; Marti, Urs (eds.) Geodesy for Planet Earth. Proceedings of the 2009 IAG Symposium, Buenos Aires, Argentina, 31 August 31 - 4 September 2009. International Association of Geodesy Symposia: Vol. 136 (pp. 161-169). Heidelberg: Springer Verlag 10.1007/978-3-642-20338-1_20

Jäggi, A.; Bock, H.; Meyer, U.; Heinze, M. (2012). GOCE Precise Science Orbits and their Contribution to Gravity Field. In: 39th COSPAR Assembly, 14.-22.7.2012, Mysore, India.

Jäggi, A.; Montenbruck, O.; Moon, Y.; Wermuth, M.; König, R.; Michalak, G.; Bock, H.; Bodenmann, D. (2012). Inter-agency comparison of TanDEM-X baseline solutions. Advances in space research, 50(2), pp. 260-271. Oxford: Pergamon 10.1016/j.asr.2012.03.027

Jäggi, A.; Sosnica, K.; Thaller, D.; Beutler, G. (2012). Validation and estimation of low-degree gravity field coefficients using LAGEOS. In: Proceedings of the 17th International Workshop on Laser Ranging, "Extending the Range", 16.-20.5.2011, Bad Kötzting, Germany.

Jäggi, Adrian; Thaller, D.; Sosnica, K.; Dach, R.; Blossfeld, M. (2012). Low-degree gravity field coefficients from SLR data using the Bernese GNSS Software. In: 39th COSPAR Assembly, 14.-22.7.2012, Mysore, India.

Jäggi, A. (2012). Das Astronomische Institut der Universität Bern, 187. Sitzung der SGK.

Jäggi, A. (2012). Orbit- und Gravitationsfeldbestimmung am Astronomischen Institut der Universität Bern, GEO-Kolloquium, Technische Universität Graz.

Jäggi, A.; Dach, R.; Schildknecht, T. (2012). Astronomisches Institut 2012: Aktivitäten und Projekte. In: Bericht an die 188. Sitzung der Schweizerischen Geodätischen Kommission.

Jäggi, Adrian; Dilssner, Florian; Schmid, Ralf; Dach, Rolf; Springer, Tim; Bock, Heike; Steigenberger, Peter; Andres, Y.; Enderle, Werner (2012). Extension of the GPS satellite antenna patterns to nadir angles beyond 14°. In: EGU General Assembly 2012, Vienna, Austria, 22.-27.4.2012.

Jäggi, Adrian; Dilssner, Florian; Schmid, Ralf; Dach, Rolf; Springer, Tim; Bock, Heike; Steigenberger, Peter; Lutz, Simon (2012). Extension of the GPS satellite antenna patterns to nadir angles beyond 14°. In: IGS Workshop 2012, Olsztyn, Poland.

Lutz, Simon; Schaer, Stefan; Meindl, Michael; Dach, Rolf (2012). Availability and Completeness of IGS Tracking Data. In: IGS Workshop 2012, Olsztyn, Poland.

Mayer-Gürr, Torsten; Rieser, Daniel; Hoeck, Eduard; Brockmann, Jan Martin; Schuh, Wolf-Dieter; Krasbutter, Ina; Kusche, Jürgen; Maier, S.; Krauss, S.; Hausleitner, Walter; Baur, Oliver; Jäggi, Adrian; Meyer, Ulrich; Prange, Lars; Pail, Roland; Fechner, Thomas; Gruber, Thomas (2012). The new combined satellite only model GOCO03s. In: International Symposium on Gravity, Geoid and Height Systems GGHS 2012, Venice, Italy.

Meindl, M. (2012). Combined Analysis of Observations from GPS and GLONASS. In: Séminaries "Temps & Espace", Observatoire de Paris.

Meindl, M. (2012). Die kombinierte Auswertung von GPS- und GLONASS-Daten, 187. Sitzung der SGK.

Meindl, Michael; Dach, Rolf; Beutler, Gerhard; Schaer, Stefan; Jäggi, Adrian (2012). Geocenter Coordinates Estimates from a Combined Multi-GNSS Data Analysis. In: EGU General Assembly 2012, Vienna, Austria, 22.-27.4.2012.

Meindl, M.; Dach, R.; Thaller, D.; Schaer, S.; Beutler, G.; Jäggi, A. (2012). Processing Batch Length in GNSS Data Analysis: Impact on Daily and Subdaily Earth Rotation Parameters. In: EGU General Assembly.

Meyer, Ulrich (2012). Globale Schwerefeldbestimmung mit GOCE, Presentation SGK, Universität Bern, SGK-Sitzung.

Meyer, Ulrich; Jäggi, Adrian; Beutler, Gerhard (2012). The Impact of Attitude Control on GRACE Accelerometry and Orbits. In: Kenyon, Steve; Pacino, Maria Christina; Marti, Urs (eds.) Geodesy for Planet Earth. Proceedings of the 2009 IAG Symposium, Buenos Aires, Argentina, 31 August 31 - 4 September 2009. International Association of Geodesy Symposia: Vol. 136 (pp. 139-146). Heidelberg: Springer Verlag 10.1007/978-3-642-20338-1_17

Meyer, Ulrich; Jäggi, Adrian; Beutler, Gerhard (2012). Monthly gravity field solutions based on GRACE observations generated with the Celestial Mechanics Approach. Earth and planetary science letters, 345-348, pp. 72-80. Amsterdam: Elsevier 10.1016/j.epsl.2012.06.026

Meyer, Ulrich; Jäggi, Adrian; Bock, Heike; Beutler, Gerhard (2012). GOCE gravity fields established by the Celestial Mechanics Approach. In: EGU General Assembly Vienna.

Meyer, Ulrich; Jäggi, Adrian; Bock, Heike; Beutler, Gerhard (2012). Processing LEO Data and Gravity Field Determination at AIUB: A Status Report. In: IGS Workshop 2012, Olsztyn, Poland.

Montenbruck, O.; Steigenberger, P.; Schönemann, E.; Hauschild, A.; Hugentobler, U.; Dach, R.; Becker, M. (2012). Flight Characterization of New Generation GNSS Satellite Clocks. Navigation - journal of the Institute of Navigation, 59(4), pp. 291-302. Washington, D.C.: Institute of Navigation

Orliac, E.; Dach, R.; Wang, K.; Rothacher, M.; Voithenleitner, D.; Hugentobler, U.; Heinze, M.; Svehla, D. (2012). Deterministic and Stochastic Receiver Clock Modeling in Precise Point Positioning. In: EGU General Assembly 2012, Vienna, Austria, 22.-27.4.2012.

Orliac, E.; Jäggi, A.; Dach, R.; Weinbach, U.; Schön, S. (2012). Receiver Clock Modelling for GPS-only Gravity Field Recovery from GRACE. In: EGU General Assembly 2012, Vienna, Austria, 22.-27.4.2012.

Ostini, Luca (2012). Analysis and Quality Assessment of GNSS-Derived Parameter Time Series. Bern: Astronomical Institute, University of Bern

Ploner, M.; Jäggi, A.; Lauber, P.; Prohaska, M.; Schildknecht, T.; Utzinger, J. (2012). SLR Tracking of GNSS Constellations at Zimmerwald. In: Proceedings of the International Technical Laser Workshop 2012 ITLW-12, Frascati, Rome, Italy, 5.-9.11.2012.

Ploner, M.; Jäggi, A.; Utzinger, J. (2012). Skyguide and Flarm - 2 in-sky-laser-safety systems used at Zimmerwald. In: Proceedings of the 17th International Workshop on Laser Ranging, "Extending the Range", 16.-20.5.2011, Bad Kötzting, Germany.

Prange, Lars; Dach, Rolf; Lutz, Simon; Schaer, Stefan; Meindl, Michael; Jäggi, Adrian (2012). MGEX data analysis at CODE - first experiences. In: IGS Workshop 2012, Olsztyn, Poland.

Rodriguez-Solano, C.; Hugentobler, U.; Steigenberger, P.; Sosnica, K.; Fritzsche, M. (2012). Non-conservative GNSS satellite modeling: long-term orbit behavior. In: EGU General Assembly 2012, Vienna, Austria, 22.-27.4.2012.

Rodriguez-Solano, C.J.; Hugentobler, U.; Steigenberger, P.; Lutz, S. (2012). Impact of Earth radiation pressure on GPS position estimates. Journal of geodesy, 86(5), pp. 309-317. Berlin: Springer 10.1007/s00190-011-0517-4

Schöne, T.; Bingley, R.; Deng, Z.; Griffiths, J.; Habrich, H.; Jia, M.; King, M.; Merrifield, M.; Mitchum, G.; Neilan, R.; Noll, C.; Sanchez, L.; Teferle, N.; Thaller, D.; Tregoning, P.; Woodworth, P.; Woppelmann, G. (2012). Tide Gauge Benchmark Monitoring Project: IGS Technical Report 2011. In: Meindl, M.; Dach, R.; Jean, Y. (eds.) International GNSS Service: Technical Report 2011 (pp. 195-210). Pasadena, California, USA: IGS Central Bureau

Schönemann, E.; Springer, T.; Dach, R.; Prange, L.; Becker, M.; Hugentobler, U.; Weber, R.; Enderle, W.; Jäggi, A. (2012). Development of a new Combination Software. In: IGS Workshop 2012, Olsztyn, Poland, 23.-27.7.2012.

Schaer, S. (2012). Bias and Calibration Working Group: IGS Technical Report 2011. In: Meindl, M.; Dach, R.; Jean, Y. (eds.) International GNSs Service: Technical Report 2011 (pp. 139-154). Pasadena, California, USA: IGS Central Bureau

Schaer, Stefan (2012). Results from IGS Workshop on GNSS Biases, 18.-19.1.2012. In: IGS Workshop 2012, Olsztyn, Poland.

Schaer, Stefan (2012). GPS/GLONASS differential code biases, IGS Workshop on GNSS Biases 2012.

Schaer, Stefan (2012). Overview of GNSS biases, IGS Workshop on GNSS Biases 2012.

Schaer, Stefan (2012). From differential to absolute code bias values, IGS Workshop on GNSS Biases 2012.

Schaer, Stefan; Meindl, Michael (2012). Comparison of AC GLONASS biases. In: IGS Workshop on GNSS Biases. Bern, Switzerland. January 18-19, 2012.

Schildknecht, T. (2012). Aktuelle Projekte in Zimmerwald, 187. Sitzung der SGK.

Sosnica, K.; Thaller, D.; Dach, R.; Jäggi, A.; Baumann, C.; Beutler, G. (2012). The Blue-Sky effect. In: Proceedings of the International Technical Laser Workshop 2012 ITLW-12, Frascati, Rome, Italy, 5.-9.11.2012.

Sosnica, K.; Thaller, D.; Jäggi, A.; Dach, R.; Baumann, C.; Beutler, G. (2012). Estimation of geodetic parameters by combining SLR observations to LAGEOS, Starlette, Stella, and AJISAI. In: Proceedings of the International Technical Laser Workshop 2012 ITLW-12, Frascati, Rome, Italy, 5.-9.11.2012.

Sosnica, K.; Thaller, D.; Jäggi, A.; Dach, R.; Baumann, C.; Beutler, G. (2012). Can we improve LAGEOS solutions by combining with LEO satellites? In: Proceedings of the International Technical Laser Workshop 2012 ITLW-12, Frascati, Rome, Italy, 5.-9.11.2012.

Sosnica, K.; Thaller, D.; Dach, R.; Jäggi, A.; Beutler, G. (2012). Availability of SLR Normal Points at ILRS Data Centers. In: Proceedings of the 17th International Workshop on Laser Ranging, "Extending the Range", 16.-20.5.2011, Bad Kötzting, Germany.

Sosnica, K.; Thaller, D.; Dach, R.; Ostini, L.; Lutz, S.; Jäggi, A.; Beutler, G.; Rodriguez-Solano, C.; Hugentobler, U.; Steigenberger, P.; Fritsche, M.; Dietrich, R.; Wang, K.; Rothacher, M. (2012). Time Series Analysis of GNSS-SLR Co-located Stations. In: IGS Workshop 2012, Olsztyn, Poland, 23.-27.7.2012.

Sosnica, Krzysztof; Thaller, Daniela; Dach, Rolf; Jäggi, Adrian; Beutler, Gerhard (2012). Sensitivity of LAGEOS orbits to global gravity field models. Artificial satellites, 47(2), pp. 47-65. Warszawa: Versita 10.2478/v10018-012-0013-y

Sosnica, K.; Thaller, D.; Jäggi, A.; Dach, R.; Beutler, G. (2012). Impact of Atmospheric Loading Corrections on SLR Solutions and on the Consistency Between GNSS and SLR Results. In: EGU General Assembly 2012, Vienna, Austria, 22.-27.4.2012.

Thaller, D. (2012). SLR observations to spherical and GNSS satellites and their combined analysis with GNSS microwave observations. In: Séminaires "Temps & Espace", Observatoire de Paris.

Thaller, D.; Meindl, M.; Beutler, G.; Dach, R.; Jäggi, A.; Sosnica, K. (2012). Sub-daily Earth rotation parameters from GNSS and combined GNSS-SLR solutions. In: IAU Commission 19 Scientific Meeting, IAU XXVIII General Assembly, Beijing, China, 30.8.2012.

Thaller, D.; Sosnica, K. (2012). SLR-Auswertung und kombinierte SLR-GNSS-Analysen, 187. Sitzung der SGK.

Thaller, D.; Sosnica, K.; Dach, R.; Jäggi, A. (2012). Space tie and local tie for combined GNSS-SLR analysis. In: American Geophysical Union 2012 Fall Meeting, 3.-7.12.2012.

Thaller, D.; Sosnica, K.; Dach, R.; Jäggi, A.; Baumann, C. (2012). The space tie betwen GNSS and SLR. In: Proceedings of the International Technical Laser Workshop 2012 ITLW-12, Frascati, Rome, Italy, 5.-9.2012.

Thaller, D.; Sosnica, K.; Dach, R.; Jäggi, A.; Baumann, C. (2012). SLR residuals to GPS / GLONASS and combined GNSS-SLR analysis. In: Proceedings of the International Technical Laser Workshop 2012 ITLW-12, Frascati, Rome, Italy, 5.-9.11.2012.

Thaller, D.; Sosnica, K.; Dach, Rolf; Jäggi, A.; Beutler, G. (2012). LAGEOS-ETALON solutions using the Bernese Software. In: Proceedings of the 17th International Workshop on Laser Ranging, "Extending the Range", 16.-20.5.2011, Bad Kötzting, Germany.

Thaller, D.; Sosnica, K.; Dach, Rolf; Jäggi, A.; Beutler, G.; Mareyen, M.; Richter, B. (2012). GNSS satellites as co-locations for a combined GNSS and SLR analysis. In: Proceedings of the 17th International Workshop on Laser Ranging, "Extending the Range", 16.-20.5.2011, Bad Kötzting, Germany.

Thaller, D.; Sosnica, K.; Dach, R.; Jäggi, A.; Steigenberger, P. (2012). GNSS Orbit Validation Using SLR Observations at CODE. In: IGS Workshop 2012, Olsztyn, Poland, 23.-27.7.2012.

Thaller, D.; Sosnica, K.; Jäggi, A.; Dach, R.; Beutler, G.; Mareyen, M. (2012). Geocenter coordinates from SLR and combined GNSS-SLR analysis. In: EGU General Assembly 2012, Vienna, Austria, 22.-27.4.2012.

Weigelt, Matthias; Jäggi, Adrian; Prange, Lars; Chen, Qiang; Keller, Wolfgang; Sneeuw, Nico (2012). Time variability from high-low SST - filling the gap between GRACE and GFO. In: International Symposium on Gravity, Geoid and Height Systems GGHS, Venice, Italy.

Weigelt, Matthias; Jäggi, Adrian; Prange, Lars; Sneeuw, Nico; van Dam, Tonie; Keller, Wolfgang (2012). Large scale time variability from high-low SST - filling the gab between GRACE and GFO. In: GRACE Science Team Meeting 2012, Potsdam, Germany.

Zenner, L.; Gruber, T.; Beutler, G.; Jäggi, A.; Flechtner, F.; Schmidt, T.; Wickert, J.; Fagiolini, E.; Schwarz, G.; Trautmann, T. (2012). Using Atmospheric Uncertainties for GRACE De-aliasing: First Results. In: Kenyon, Steve; Pacino, Maria Christina (eds.) Geodesy for Planet Earth. Proceedings of the 2009 IAG Symposium, Buenos Aires, Argentina, 31 August 31 - 4 September 2009. International Association of Geodesy Symposia: Vol. 136 (pp. 147-152). Heidelberg: Springer Verlag 10.1007/978-3-642-20338-1_18

2011

Bock, Heike; Jäggi, Adrian; Meyer, Ulrich; Dach, Rolf; Beutler, Gerhard (2011). Impact of GPS antenna phase center variations on precise orbits of the GOCE satellite. Advances in space research, 47(11), 1885--1893. Oxford: Pergamon 10.1016/j.asr.2011.01.017

Bock, Heike; Jäggi, Adrian; Meyer, Ulrich; Visser, Pieter; van den IJssel, Jose; van Helleputte, Tom; Heinze, Markus; Hugentobler, Urs (2011). GPS-derived orbits for the GOCE satellite. Journal of geodesy, 85(11), 807--818. Berlin: Springer 10.1007/s00190-011-0484-9

Dach, Rolf; Böhm, Johannes; Lutz, Simon; Steigenberger, Peter; Beutler, Gerhard (2011). Evaluation of the impact of atmospheric pressure loading modeling on GNSS data analysis. Journal of geodesy, 85(2), pp. 75-91. Berlin: Springer 10.1007/s00190-010-0417-z

Dach, Rolf; Schmid, Ralf; Schmitz, Martin; Thaller, Daniela; Schaer, Stefan; Lutz, Simon; Steigenberger, Peter; Wübbena, Gerhard; Beutler, Gerhard (2011). Improved antenna phase center models for GLONASS. GPS solutions, 15(1), pp. 49-65. Berlin: Springer 10.1007/s10291-010-0169-5

Dach, Rolf; Beutler, Gerhard; Jäggi, Adrian; Schildknecht, Thomas (2011). GNSS-Forschungsarbeiten am Astronomischen Institut der Universität. Geomatik Schweiz / Géomatique Suisse /Geomatica Svizzera, 6, pp. 280-283. Scherz: SIGImedia AG

Jäggi, Adrian; Bock, Heike; Floberghagen, Rune (2011). GOCE orbit predictions for SLR tracking. GPS solutions, 15(2), 129--137. Berlin: Springer 10.1007/s10291-010-0176-6

Jäggi, Adrian; Bock, Heike; Prange, Lars; Meyer, Ulrich; Beutler, Gerhard (2011). GPS-only gravity field recovery with GOCE, CHAMP, and GRACE. Advances in space research, 47(6), 1020--1028. Oxford: Pergamon 10.1016/j.asr.2010.11.008

Jäggi, Adrian; Prange, Lars; Hugentobler, Urs (2011). Impact of covariance information of kinematic positions on orbit reconstruction and gravity field recovery. Advances in space research, 47(9), 1472--1479. Oxford: Pergamon 10.1016/j.asr.2010.12.009

Teke, Kamil; Böhm, Johannes; Nilsson, Tobias; Schuh, Harald; Steigenberger, Peter; Dach, Rolf; Heinkelmann, Robert; Willis, Pascal; Haas, Rüdiger; García-Espada, Susana; Hobiger, Thomas; Ichikawa, Ryuichi; Shimizu, Shingo (2011). Multi-technique comparison of troposphere zenith delays and gradients during CONT08. Journal of geodesy, 85(7), pp. 395-413. Berlin: Springer 10.1007/s00190-010-0434-y

Thaller, Daniela; Dach, Rolf; Seitz, Manuela; Beutler, Gerhard; Mareyen, Maria; Richter, Bernd (2011). Combination of GNSS and SLR observations using satellite co-locations. Journal of geodesy, 85(5), 257--272. Berlin: Springer 10.1007/s00190-010-0433-z

van den IJssel, Jose; Visser, Pieter; Doornbos, Eelco; Meyer, Ulrich; Bock, Heike; Jäggi, Adrian (2011). GOCE SSTI L2 tracking losses and their impact on POD performance. In: Proceedings of 4th International GOCE User Workshop, 31 March-1 April, 2011, TU München, Munich, Germany ([1-6]). ESA communications

Jäggi, Adrian; Bock, Heike; Meyer, Ulrich (2011). GPS-only Gravity Field Recovery from GOCE. In: Proceedings of 4th International GOCE User Workshop, 31 March-1 April, 2011, TU München, Munich, Germany ([1-6]). ESA communications

Meindl, Michael; Schaer, Stefan; Dach, Rolf; Beutler, Gerhard (2011). Different Reference Frame Realizations Using Data From a Global Network of Multi-GNSS Receivers. In: Proceedings of the 3nd International Colloquium - Scientific and Fundamental Aspects of the Galileo Programme, August 31 - September 02, Copenhagen, Denmark, 2011.

Pail, Roland; Fecher, Thomas; Jäggi, Adrian; Goiginger, Helmut (2011). Can GOCE help to improve temporal gravity field models? In: Proceedings of 4th International GOCE User Workshop, 31 March-1 April, 2011, TU München, Munich, Germany ([1-6]). ESA communications

Pail, R.; Goiginger, H.; Schuh, W.-D.; Höck, E; Brockmann, J.M.; Fecher, T.; Mayer-Gürr, T.; Kusche, J.; Jäggi, Adrian; Prange, Lars; Rieser, D.; Hausleitner, W.; Maier, Andrea; Krauss, S.; Baur, O.; Krasbutter, I.; Gruber, T. (2011). Combination of GOCE Data with Complementary Gravity Field Information. In: Proceedings of 4th International GOCE User Workshop, 31 March-1 April, 2011, TU München, Munich, Germany ([1-5]). ESA communications

Jäggi, Adrian; Ploner, Martin; Utzinger, Johannes; Prohaska, Marcel; Pop, Eugen; Gurtner, Werner; Brockmann, E (2011). Satellite Laser Ranging at Zimmerwald. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 18-19). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Lutz, Simon; Steigenberger, P.; Dach, Rolf; Schaer, Stefan; Meindl, Michael; Ostini, Luca; Sosnica, Krzysztof Jakub (2011). Reprocessing Activities at CODE. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 5-6). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Prange, Lars; Dach, Rolf; Steinbach, Anne (2011). AIUB contribution to the Galileo Terrestrial Reference Frame. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 10-11). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Schaer, Stefan; Bock, Heike; Dach, Rolf; Lutz, Simon; Meindl, Michael; Orliac, Etienne; Thaller, Daniela (2011). CODE Contributions to the IGS. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 1-2). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Schär, Stefan; Dach, Rolf (2011). GNSS Data Calibration Parameters. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 7-9). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Schär, Stefan; Dach, Rolf; Lutz, Simon; Meindl, Michael (2011). EUREF Activities at CODE. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 3-4). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Schildknecht, Thomas; Jäggi, Adrian; Ploner, M.; Brockmann, E. (2011). The Zimmerwald Observatory. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 15-17). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Thaller, Daniela; Sosnica, Krzysztof Jakub; Beutler, Gerhard; Dach, Rolf; Jäggi, Adrian (2011). Combining SLR and GNSS measurements. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 12-14). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Bock, Heike; Jäggi, Adrian; Meyer, Ulrich; Dach, Rolf; Beutler, Gerhard (2011). Processing Facility for ESA's GOCE Gravity Field Explorer Mission. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 49-50). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Jäggi, Adrian; Beutler, Gerhard; Meyer, Ulrich; Prange, Lars; Mervart, Leos (2011). Global Gravity Field Determination based on the GRACE-Mission. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 45-46). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Jäggi, Adrian; Bock, Heike; Meyer, Ulrich; Prange, Lars; Beutler, Gerhard; Dach, Rolf (2011). Phase center modeling and its impact on LEO Precise Orbit Determination. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 83 (pp. 1145-1162). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission 10.1007/s00190-009-0333-2

Prange, Lars; Jäggi, Adrian; Beutler, Gerhard (2011). Global gravity field determination based on CHAMP-GPS-data. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 47-48). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Dach, Rolf; Lutz, Simon; Böhm, Johannes; Steigenberger, Peter (2011). Influence of Atmospheric Pressure Loading on GNSS Analysis. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 79-81). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Schär, Stefan; Dach, Rolf; Lutz, Simon; Meindl, Michael; Thaller, Daniela; Beutler, Gerhard (2011). CODE Contributions to Earth Rotation Monitoring. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 65-66). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Dach, Rolf; Bock, Heike; Hugentobler, Urs; Jäggi, Adrian; Lutz, Simon; Meindl, Michael; Mervart, Leos; Meyer, Ulrich; Orliac, Etienne; Ostini, Luca; Prange, Lars; Rothacher, Markus; Schaer, Stefan; Sosnica, Krzysztof Jakub; Steinbach, Anne; Thaller, Daniela; Walser, Peter; Beutler, Gerhard (2011). Bernese Software. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 93-94). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Ostini, Luca; Dach, Rolf; Meindl, Michael; Hugentobler, Urs; Schaer, Stefan; Beutler, Gerhard (2011). Analysis and Reassessment of Coordinate Time Series Using FODITS. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 97-99). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Schär, Stefan; Lutz, Simon (2011). CODE Contribution to Global Ionosphere Monitoring. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 100-101). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Schär, Stefan; Meindl, Michael (2011). Multi-GNSS Ambiguity Resolution Algorithms. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 95-96). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Früh, Carolin; Schildknecht, Thomas (2011). Combination of Light Curve Measurements and Orbit Determination for Space Debris Identification. In: Proceedings of the International Astronautical Congress (IAC-11), 2011 October 3-7, Cape Town, South Africa.

Früh, Carolin; Schildknecht, Thomas; Hinze, Andreas; Reber, Martin (2011). Optical Observation Campaign in the Framework of the ESA Space Surveillance System Precursor Services. In: Proceedings of the European Space Surveillance Conference, 7-9 June 2011, Madrid, Spain.

Herzog, Johannes; Schildknecht, Thomas; Ploner, Martin (2011). Space Debris Observations with ZimSMART. In: Proceedings of the European Space Surveillance Conference, 7-9 June 2011, Madrid, Spain.

Hinze, Andreas; Vananti, Alessandro; Schildknecht, Thomas; Krag, H. (2011). Results from first Space Debris Survey Observations in MEO. In: Proceedings of the European Space Surveillance Conference, 7-9 June 2011, Madrid, Spain.

Schildknecht, Thomas; Vananti, Alessandro; Hinze, Andreas; Herzog, Johannes; Krag, H. (2011). Results of Optical Surveys for Space Debris in MEO. In: Proceedings of the International Astronautical Congress (IAC-11), 2011 October 3-7, Cape Town, South Africa.

Schildknecht, Thomas; Flury, W.; Früh, Carolin; Herzog, Johannes; Hinze, Andreas; Vananti, Alessandro (2011). Using Optical Observations to Survey, Track, and Characterize Small-Size Objects at High Altitudes. In: Proceedings of 28th International Symposium on Space Technology and Science, juin 2011, Okinawa, Japan.

Verdun, Andreas (2011). Die (Wieder-)Entdeckung von Eulers Mondtafeln. NTM - Zeitschrift für Geschichte der Wissenschaften, Technik und Medizin, 19(3), pp. 271-297. Basel: Birkhäuser 10.1007/s00048-011-0053-6

Milani, A.; Tommei, G.; Farnocchia, D.; Rossi, A.; Schildknecht, Thomas; Jehn, R. (2011). Correlation and orbit determination of space objects based on sparse optical data. Monthly notices of the Royal Astronomical Society, 417(3), 2094--2103. Oxford: Oxford University Press 10.1111/j.1365-2966.2011.19392.x

Meindl, Michael (2011). Combined Analysis of Observations from Different Global Navigation Satellite Systems. Geodätisch-geophysikalische Arbeiten in der Schweiz: Vol. 83. Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Früh, Carolin (2011). Identification of Space Debris. Aachen: Shaker

Früh, Carolin; Schildknecht, Thomas (2011). Orbit Determination with Optical Observations of HAMR Objects. In: Proceedings of the International Symposium on Orbit Propagation and Determination (Lille, France, 26 - 28 September 2011).

Steigenberger, Peter; Lutz, Simon; Dach, Rolf; Hugentobler, Urs (2011). CODE Contribution to the First IGS Reprocessing Campaign München: Technische Universität München

2010

Beutler, Gerhard; Jäggi, Adrian; Mervart, Leos; Meyer, Ulrich (2010). The celestial mechanics approach: theoretical foundations. Journal of geodesy, 84(10), pp. 605-624. Berlin: Springer 10.1007/s00190-010-0401-7

Beutler, Gerhard; Jäggi, Adrian; Mervart, Leos; Meyer, Ulrich (2010). The celestial mechanics approach: application to data of the GRACE mission. Journal of geodesy, 84(11), pp. 661-681. Berlin: Springer 10.1007/s00190-010-0402-6

Dach, Rolf; Schaer, S.; Lutz, Simon; Meindl, Michael; Beutler, Gerhard (2010). Combining the Observations from Different GNSS. In: EUREF 2010 Symposium, Gävle, Sweden, June 02-05, 2010. Frankfurt: Bundesamt für Kartographie und Geodäsie

Jäggi, Adrian; Beutler, Gerhard; Mervart, Leos (2010). GRACE Gravity field determination using the celestrial mechanics approach - First results. In: IAG Symposium, Gravity, Geoid, and Earth Observation, Chania, Greece, June 23-27, 2008 135 (pp. 177-184). Heidelberg: Springer Verlag 10.1007/978-3-642-10634-7_24

Prange, Lars; Jägg, Adrian; Dach, Rolf; Bock, Heike; Beutler, Gerhard; Mervart, Leos (2010). AIUB-CHAMP02S: The influence of GNSS model changes on gravity field recovery using spaceborne GPS. Advances in space research, 45(2), pp. 215-224. Oxford: Pergamon 10.1016/j.asr.2009.09.020

Visser, P.; Jssel van den, J.; Helleputte van, T.; Bock, Heike; Jäggi, Adrian; Meyer, Ulrich; Beutler, Gerhard; Heinze, M.; Hugentobler, U. (2010). Rapid and Precise Orbit Determination for the GOCE Satellite. In: GOCE Workshop at ESA Living Planet Symposium, Bergen, 29./30.June, 2010. Paris: European Space Agency

Zenner, L.; Gruber, T.; Jäggi, Adrian; Beutler, Gerhard (2010). Propagation of atmospheric model errors to gravity potential harmonics - impact on GRACE de-aliasing. Geophysical journal international, 182(2), pp. 797-807. Oxford: Blackwell Science 10.1111/j.1365-246X.2010.04669.x

Früh, Carolin; Schildknecht, Thomas (2010). Analysis of observed and simulated light curves of space debris. In: Proceedings of the International Astronautical Congress 2010.

Früh, Carolin; Schildknecht, Thomas (2010). Investigation of properties and characteristics of high-area-to-mass ratio objects based on examples of optical observation data of space debris objects in GEO-like orbits. In: 2010 AMOS Technical Conference, Maui, Hawaii, USA, 14-17 September 2010.

Früh, Carolin; Schildknecht, Thomas (2010). Orbit propagation and validation with angle-only observations. In: 20th AAS/AIAA Astrodynamics Specialist Conference, Toronto, Canada, August 2nd - 5th, 2010.

Herzog, Johannes; Schildknecht, Thomas; Früh, Carolin (2010). Build-up and maintanance of a catalogue of GEO obejcts with ZimSMART. In: Proceedings of the International Astronautical Congress 2010.

Schildknecht, Thomas; Früh, Carolin; Herzog, Johannes; Hinze, Andreas; Vananti, Alessandro (2010). AIUB efforts to survey, track, and characterize small-size objects at high altitude. In: 2010 AMOS Technical Conference, 14-17 September, Maui, Hawaii, USA, 2010.

Schildknecht, Thomas; Früh, Carolin; Hinze, Andreas; Herzog, Johannes (2010). Dynamical properties of high area to mass ratio objects in GEO-like orbits. Advances in space research Oxford: Pergamon

Schildknecht, Thomas; Hinze, Andreas; Früh, Carolin; Krag, H. (2010). ESA Long-term Monitoring of Space Debris in GEO, GTO and First Surveys of MEO. In: 28th Inter-Agency Debris Coordination Committee (IADC) Meeting, March 9-12, 2010, Tiruvananthapuram, India, 2010. International Association of Drilling Contractors IADC

Pail, R.; Goiginger, H.; Schuh, W.-D.; Höck, E.; Brockmann, J.M.; Fecher, T.; Gruber, T.; Mayer-Gürr, T.; Kusche, J.; Jäggi, A.; Rieser, D. (2010). Combined satellite gravity field model GOCO01S derived from GOCE and GRACE. Geophysical Research Letters, 37(20), n/a-n/a. Washington, D.C.: American Geophysical Union 10.1029/2010GL044906

Schildknecht, Thomas (2010). Swiss Contributions to a Better Understanding of the Space Debris Environment. In: 47th Session of UNCOPUOS Scientific and Technical Subcommittee, Vienna, 8-19 February 2010.

Schildknecht, Thomas; Vananti, Alessandro; Krag, H.; Erd, C. (2010). Physical Characterization of High AMR Debris by Optical Reflection Spectrometry and Light curves. In: 28th Inter-Agency Debris Coordination Committee (IADC) Meeting, March 9 - 12, 2010, Tiruvananthapuram, India, 2010. International Association of Drilling Contractors IADC

Schildknecht, T.; Vananti, A.; Krag, H.; Erd, Ch. (2010). Physical characterization of high AMR debris by optical reflectance spectrometry. In: Proceedings of 61st International Astronautical Congress. Astronautical Congress. International.: Vol. 61. International Astronautical Federation ( IAF )

Donath, T.; Schildknecht, Thomas; Martinot, V.; Monte Del, L. (2010). Possible European Systems for Space Situational Awareness. Acta astronautica, 66(9-10), pp. 1378-1387. Oxford: Pergamon 10.1016/j.actaastro.2009.10.036

Flohrer, T.; Krag, H.; Klinkrad, H.; Schildknecht, Thomas (2010). Reasibility of performing space surveillance tasks with a proposed space-based optical architecture. Advances in space research, 47(6), pp. 1029-1042. Oxford: Pergamon 10.1016/j.asr.2010.11.021

Musci, R.; Schildknecht, Thomas; Ploner, Martin (2010). Analyzing Long Observation Arcs for Objects with high Area-to-Mass Ratios in Geostationary Orbits. Acta astronautica, 66(5-6), pp. 693-703. Oxford: Pergamon 10.1016/j.actaastro.2009.08.025

Vananti, Alessandro; Schildknecht, Thomas; Keinänen, P.; Kuusela, J.; Krag, H. (2010). Preliminary telescope design analysis for the optical space surveillance subsystem. In: International Astronautical Congress 2010, Prague, Czech Republic, 27 Sept - 1 Oct, 2010.

Verdun, Andreas (2010). "Astronomica" im Briefwechsel zwischen Leonhard Euler und Daniel Bernoulli. Acta historica astronomiae, 41, pp. 169-199. Frankfurt am Main: Deutsch

King, Matt A.; Altamimi, Zuheir; Boehm, Johannes; Bos, Machiel; Dach, Rolf; Elosegui, Pedro; Fund, François; Hernandez-Pajares, Manuel; Lavallee, David; Mendes Cerveira, Paulo Jorge; Penna, Nigel; Riva, Riccardo E.M.; Steigenberger, Peter; van Dam, Tonie; Vittuari, Luca; Williams, Simon; Willis, Pascal (2010). Improved Constraints on Models of Glacial Isostatic Adjustment: A Review of the Contribution of Ground-Based Geodetic Observations. Surveys in geophysics, 31(5), pp. 465-507. Dordrecht: Springer 10.1007/s10712-010-9100-4

Springer, T.; Dach, Rolf (2010). GPS, GLONASS and More. GPS world, 21(6), pp. 48-58. Eugene, Oreg.: Questex Media Group, Inc.

Prange, Lars (2010). Global Gravity Field Determination Using the GPS Measurements Made Onboard the Low Earth Orbiting Satellite CHAMP. Geodätisch-geophysikalische Arbeiten in der Schweiz: Vol. 81. Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

2009

Jäggi, Adrian; Beutler, Gerhard; Prange, Lars; Dach, Rolf; Mervart, Leos (2009). Assessment of GPS-only observables for Gravity Field Recovery from GRACE. International Association of Geodesy Symposia IAG, 133, pp. 113-123. New York, N.Y.: Springer

Dach, Rolf; Beutler, Gerhard; Gudmundsson, H. (2009). Analysis of GPS Data from an Antarctic Icestream. International Association of Geodesy Symposia IAG, 133, pp. 569-579. New York, N.Y.: Springer

Thaller, Daniela; Mareyen, M.; Dach, Rolf; Beutler, Gerhard; Gurtner, W.; Richter, B.; Ihde, J. (2009). Preparing the Bernese GPS Software for the analysis of SLR observations to geodetic satellites. In: 16th International Workshop on Laser Ranging, Poznan, Poland, October 13-17, 2008 (pp. 143-147). Cracow: Polish Academy of Sciences

Bock, Heike; Jäggi, Adrian; Dach, Rolf; Beutler, Gerhard; Schaer, S. (2009). GPS single-frequency orbit determination for Low Earth Orbiting satellites. Advances in space research, 43(5), pp. 783-791. Oxford: Pergamon 10.1016/j.asr.2008.12.003

Visser, P.; van den Ijssel, J.; van Helleputte, T.; Bock, Heike; Jäggi, Adrian; Beutler, Gerhard; Svehla, D.; Hugentobler, Urs; Heinze, M. (2009). Orbit determination for the GOCE satellite. Advances in space research, 43(5), pp. 760-768. Oxford: Pergamon 10.1016/j.asr.2008.09.016

Beutler, Gerhard; Moore, A.W.; Müller, I.I. (2009). The International global navigation satellite system service (IGS): development and achievements. Journal of geodesy, 83(3-4), pp. 297-308. Berlin: Springer 10.1007/s00190-008-0268-z

Dach, Rolf; Brockmann, Elmar; Schaer, Stefan; Beutler, Gerhard; Meindl, Michael; Prange, Lars; Bock, Heike; Jäggi, Adrian; Ostini, Luca (2009). GNSS processing at CODE: status report. Journal of geodesy, 83(3-4), pp. 353-366. Berlin: Springer 10.1007/s00190-008-0281-2

Dach, Rolf; Schaer, S.; Meindl, M.; Bock, Heike; Jäggi, Adrian; Lutz, Simon; Meyer, U.; Ostini, Luca; Prange, Lars; Steinbach, A.; Thaller, Daniela; Walser, Peter; Beutler, Gerhard (2009). Global Multi-GNSS Processing at CODE. In: EUREF 2008 Symposium, Brussels, Belgium, June 18-21, 2008. Frankfurt: Bundesamt für Kartographie und Geodäsie

Dach, Rolf; Schaer, S.; Meindl, Michael; Bock, Heike; Jäggi, Adrian; Lutz, Simon; Meyer, U.; Ostini, Luca; Prange, Lars; Steinbach, Anne; Thaller, Daniela; Walser, Peter; Beutler, Gerhard (2009). Global multi-GNSS processing at CODE. In: International Symposium on Global Navigation Satellite Systems, Space-Based and Ground-Based Augmentation Systems and Applications, Berlin, September 11-14, 2008 (pp. 34-36). Berlin: Senate Department for Urban Development

Bock, Heike; Dach, Rolf; Jäggi, Adrian; Beutler, Gerhard (2009). High-rate GPS clock corrections from CODE: support of 1 Hz applications. Journal of geodesy, 83(11), pp. 1083-1094. Berlin: Springer 10.1007/s00190-009-0326-1

Plag, H.-P.; Beutler, Gerhard; Gross, R.; Herring, T.A.; Rizos, C.; Rummel, R.; Sahagian, D.; Zumberge, J. (2009). Introduction. In: Plag, Hans-Peter; Pearlman, Michael (eds.) Global Geodetic Observing System. Meeting the Requirements of a Global Society on a Changing Planet in 2020 (pp. 1-15). Heidelberg: Springer Verlag

Plag, H.-P.; Altamimi, Z.; Bettadpur, S.; Beutler, Gerhard; Beyerle, G.; Cazenave, A.; Crossley, D.; Donnellan, A.; Forsberg, R.; Gross, R.; Hinderer, J.; Komjathy, A.; Ma, C.; Mannucci, A.J.; Noll, C.; Nothnagel, A.; Pavlis, E.C.; Pearlman, M.; Poli, P.; Schreiber, U.; ... (2009). The goals, achievements, and tools of modern geodesy. In: Plag, Hans-Peter; Pearman, Michael (eds.) Global Geodetic Observing System. Meeting the Requirements of a Global Society on a Changing Planet in 2020 (pp. 15-88). Heidelberg: Springer Verlag

Rummel, R.; Beutler, Gerhard; Dehant, V.; Gross, R.; Ilk, K.H.; Plag, H.-P.; Poli, P.; Rothacher, M.; Stein, S.; Thomas, R.; Woodworth, P.L.; Zerbini, S.; Zlotnicki, V. (2009). Understanding a dynamic planet: Earth science requirements for geodesy. In: Plag, Hans-Peter; Pearlman, Michael (eds.) Global Geodetic Observing System. Meeting the Requirements of a Global Society on a Changing Planet in 2020 (pp. 89-134). Heidelberg: Springer Verlag

Gross, R.; Beutler, Gerhard; Plag, H.-P. (2009). Integrated scientific and societal user requirements and functional specifications for the GGOS. In: Plag, Hans-Peter; Pearlman, Michael (eds.) Global Geodetic Observing System. Meeting the Requirements of a Global Society on a Changing Planet in 2020 (pp. 209-224). Heidelberg: Springer Verlag

Rothacher, M.; Beutler, Gerhard; Behrend, D.; Donnellan, A.; Hinderer, J.; Ma, C.; Noll, C.; Oberst, J.; Pearlman, M.; Plag, H.-P.; Richter, B.; Schöne, T.; Tavernier, G.; Woodworth, P.L. (2009). The future Global Geodetic Observing System. In: Plag, Hans-Peter; Pearlman, Michael (eds.) Global Geodetic Observing System. Meeting the Requirements of a Global Society on a Changing Planet in 2020 (pp. 237-272). Heidelberg: Springer Verlag

Beutler, Gerhard; Pearlman, M.; Plag, H.-P.; Neilan, R.; Rothacher, M.; Rummel, R. (2009). Towards GGOS in 2020. In: Plag, Hans-Peter; Pearlman, Michael (eds.) Global Geodetic Observing System. Meeting the Requirements of a Global Society on a Changing Planet in 2020 (pp. 273-282). Heidelberg: Springer Verlag

Plag, H.-P.; Beutler, Gerhard; Gross, R.; Herring, T.A.; Poli, P.; Rizos, C.; Rothacher, M.; Rummel, R.; Sahagian, D.; Zumberge, J. (2009). Recommendations. In: Plag, Hans-Peter; Pearlman, Michael (eds.) Global Geodetic Observing System. Meeting the Requirements of a Global Society on a Changing Planet in 2020 (pp. 283-292). Heidelberg: Springer Verlag

Bock, Heike; Dach, Rolf; Yoon, Y.; Montenbruck, O. (2009). GPS Clock Correction Estimation for Near Real-time Orbit Determination Applications. Aerospace science and technology, 13(7), pp. 415-422. Paris: Elsevier Masson SAS 10.1016/j.ast.2009.08.003

Prange, Lars; Jäggi, Adrian; Hugentobler, Urs; Dach, Rolf; Mervart, Leos (2009). Gravity Field Determination at the AIUB - the Celestial Mechanics Approach. International Association of Geodesy Symposia IAG, 133, pp. 353-362. New York, N.Y.: Springer

Ostini, Luca; Dach, Rolf; Meindl, Michael; Schaer, S.; Hugentobler, Urs (2009). FODITS: A New Tool of the Bernese GPS Software to analyze Time Series. In: EUREF 2008 Symposium, Brussels, Belgium, June 18-21, 2008. Frankfurt: Bundesamt für Kartographie und Geodäsie

Flohrer, Tim; Krag, H.; Klinkrad, H.; Kuusela, J.; Leushacke, L.; Ploner, Martin; Schildknecht, Thomas (2009). Orbit Determination from Combined Radar and Optical Tracks during XMM Contingency Operations. In: 5th European Conference on Space Debris, March 30 - April 2, ESOC, Darmstadt, Germany, 2009. Paris: European Space Agency

Frueh, Carolin; Schildknecht, Thomas; Musci, Reto; Flohrer, Tim (2009). Comparison of Different Methods of Ephemeris Retrival for Correlation of Observations of Space Debris Objects. In: 2009 AMOS Technical Conference, 2-4 September, Maui, Hawaii, USA 2009 (pp. 220-227). Kihei, Hawaii: Maui Economic Development Board

Früh, Carolin; Schildknecht, Thomas; Musci, Reto; Ploner, Martin (2009). Catalogue Correlation of Space Debris Objects. In: 5th European Conference on Space Debris, March 30 - April 2, ESOC, Darmstadt, Germany, 2009. Paris: European Space Agency

Schildknecht, Thomas; Musci, Reto; Jehn, Rüdiger; Kuusela, J. (2009). Ten Years of Observations at the ESA Space Debris Telescope - Discoveries, Highlights and Lessons Learned. In: 5th European Conference on Space Debris, March 30 - April 2, ESOC, Darmstadt, Germany, 2009. Paris: European Space Agency

Montenbruck, O.; Garcia-Gernandez, M.; Yoon, Y.; Schön, S.; Jäggi, Adrian (2009). Antenna phase center calibration for precise positioning of LEO satellites. GPS solutions, 13(1), pp. 23-34. Berlin: Springer 10.1007/s10291-008-0094-z

Krag, H.; Klinkrad, H.; Jehn, R.; Flegel, S.; Schildknecht, Thomas (2009). Conclusions from ESA Space Debris Telescope Observations on Space Debris Environment Modelling. In: 5th European Conference on Space Debris, March 30 - April 2, ESOC, Darmstadt, Germany, 2009. Paris: European Space Agency

Vananti, A.; Schildknecht, Thomas; Krag, H.; Erd, Ch. (2009). Preliminary Results from Reflectance Spectroscopy Observations of Space Debris in Geo. In: 5th European Conference on Space Debris, March 30 - April 2, ESOC, Darmstadt, Germany, 2009. Paris: European Space Agency

Schildknecht, Thomas; Vananti, A.; Krag, H.; Erd, Ch. (2009). Reflectance Spectra of Space Debris in GEO. In: 2009 AMOS Technical Conference, 2-4 September, Maui, Hawaii, USA 2009 (pp. 220-227). Kihei, Hawaii: Maui Economic Development Board

Schildknecht, Thomas; Flohrer, Tim; Vananti, A. (2009). Optical Surveys for Space Debris in MEO. In: 60th International Astronautical Congress, October 12 - 18, Daejeon, Republic of Korea, 2009. Institute for Atmospheric and Climate Science IAC

Cowardin, H.; Barker, E.; Seitzer, P.; Mulrooney, M.; Schildknecht, Thomas (2009). An Assessment of GEO Orbital Debris Photometric Properties Derived from Laboratory-Based Measurements. In: 2009 AMOS Technical Conference, 2-4 September, Maui, Hawaii, USA 2009 (pp. 228-237). Kihei, Hawaii: Maui Economic Development Board

2008

Schildknecht, Thomas; Musci, Reto; Flohrer, Tim (2008). Properties of the High Area-to-Mass Ratio Space Debris Population at High Altitudes. Advances in space research, 41(7), pp. 1039-1045. Oxford: Pergamon 10.1016/j.asr.2007.01.045

Flohrer, Tim; Schildknecht, Thomas; Musci, Reto (2008). Proposed Strategies for Optical Observations in a Future European Space Surveillance Network. Advances in space research, 41(7), pp. 1010-1021. Oxford: Pergamon 10.1016/j.asr.2007.02.018

Musci, Reto; Schildknecht, Thomas; Flohrer, Tim; Beutler, Gerhard (2008). Evolution of the Orbital Elements for Objects with High Area-to-Mass Ratios in Geostationary Transfer Orbits. Advances in space research, 41(7), pp. 1071-1076. Oxford: Pergamon 10.1016/j.asr.2007.02.030

Donath, T; Michal, T; Vanwijck, X; Dugrosprez, B; Flohrer, Tim; Schildknecht, Thomas (2008). Conceptual Design of a European Space Surveillance System. In: 36th COSPAR Scientific Assembly. Beijing, China, 16 - 23 July 2006 [Meeting abstract from the CD-ROM]. Paris: COSPAR Scientific Assembly

Schildknecht, Thomas; Flohrer, Tim; Musci, Reto; Jehn, Rüdiger (2008). Statistical Analysis of the ESA Optical Space Debris Surveys. Acta astronautica, 63(1-4), pp. 119-127. Oxford: Pergamon 10.1016/j.actaastro.2007.12.035

Flohrer, Tim; Schildknecht, Thomas; Musci, Reto (2008). A Possible Way of Exchanging Follow-Up Data. In: 58th International Astronautical Congress 2007. Proceedings of a meeting held 24-28 September 2007, Hyderabad, India ([1-9]). Red Hook: Curran

Flohrer, Tim; Schildknecht, Thomas; Früh, Carolin; Musci, Reto; Ploner, Martin (2008). Optical Observations at the Zimmerwald Observatory. In: 58th International Astronautical Congress 2007. Proceedings of a meeting held 24-28 September 2007, Hyderabad, India ([1-12]). Red Hook: Curran

Agapov, Vladimir; Schildknecht, Thomas; Molotov, Igor; Stepanyants, Viktor (2008). Orbital Evolution Challenge Of High Area-to-mass Objects On Geocentric Orbits - Easy To Find, Easy To Lose. In: 58th International Astronautical Congress 2007. Proceedings of a meeting held 24-28 September 2007, Hyderabad, India ([1-3]). Red Hook: Curran

Oswald, Michael; Stabroth, Sebastian; Wiedemann, Carsten; Vörsmann, Peter; Schildknecht, Thomas; Klinkrad, Heiner (2008). Modelling of the GEO Debris Environment Based on ESA-SDT Observations. In: 58th International Astronautical Congress 2007. Proceedings of a meeting held 24-28 September 2007, Hyderabad, India ([1-7]). Red Hook: Curran

Kuhlen, Dominique; Reinert, Michael; Barth, Marc; Remonda, Elke; Nedeltchev, Krassen; Arnold, Marcel; Mariani, Luigi (2008). Outcome and re-stenosis after carotid endarerectomy at the University Hospital of Berne. In: 100 Jahre Schweizerische Neurologische Gesellschaft. Jubiläumstagung. 23.-25.April 2008, Montreux. Montreux: Schweizerischen Neurologischen Gesellschaft

Jäggi, Adrian; Beutler, Gerhard; Mervart, Leos (2008). GRACE Gravity field determination using the celestrial mechanics approach - First results. In: IAG Symposium, Gravity, Geoid, and Earth Observation, Chania, Greece, June 23-27, 2008.

Dach, Rolf; Schaer, S.; Springer, T.; Beutler, Gerhard; Perosanz, F.; Hugentobler, Urs (2008). Multi-GNSS Processing. In: International GNSS Service Analysis Center workshop, Miami Beach, FL, USA, June 2-6, 2008.

Jäggi, Adrian; Bock, Heike; Pail, R.; Goiginger, H. (2008). Highly-reduced dynamic orbits and their use for global gravity field recovery. Studia geophysica et geodaetica, 52(3), pp. 341-359. Dordrecht: Springer Science + Business 10.1007/s11200-008-0025-z

Flohrer, Claudia (2008). Mutual Validation of Satellite-Geodetic Techniques and its Impact on GNSS Orbit Modeling. Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Jehn, R.; Klinkrad, H.; Krag, H.; Flohrer, Tim; Leushacke, L.; Markkanen, J.; Schildknecht, T.; Oswald, M. (2008). Space Traffic Data Analysis and Synthesis. In: 3rd IAASS Conference, October 21-23, Rome, Italy, 2008. International Association for the Advancement of Space Safety IAASS

Schildknecht, Thomas; Musci, Reto; Früh, Carolin; Ploner, Martin (2008). Color Photometry and Light Curve Observations of Space Debris. In: 59th International Astronautical Congress, September 29 - October 3, Glasgow, Scotland, 2008. Institute for Atmospheric and Climate Science IAC

Früh, Carolin; Musci, Reto; Schildknecht, Thomas (2008). Improved Method for Recognizing Unknown Space Debris Objects on Series of CCD-Frames. In: 59th International Astronautical Congress, September 29 - October 3, Glasgow, Scotland, 2008. Institute for Atmospheric and Climate Science IAC

Schildknecht, Thomas; Musci, Reto; Früh, Carolin; Jehn, R. (2008). Status Report on the ESA Optical Space Debris Survey at the OGS. In: 26th Inter-Agency Debris Coordination Committee (IADC) Meeting, April 14-17, Moscow, Russia, 2008. International Association of Drilling Contractors IADC

Schildknecht, Thomas; Musci, Reto; Früh, Carolin; Ploner, Martin (2008). Color Photometry and Light Curve Observations of Space Debris in GEO. In: 2008 AMOS Technical Conference, 16-18 September, Maui, Hawaii, USA, 2008 (pp. 496-501). Kihei, Hawaii: Maui Economic Development Board

2007

Jäggi, Adrian; Beutler, Gerhard; Bock, Heike; Hugentobler, Urs (2007). Kinematic and highly reduced-dynamic LEO orbit determination for gravity field estimation. In: Tregoning, Paul; Rizos, Chris (eds.) Dynamic Planet - Monitoring and Understanding a Dynamic Planet with Geodetic and Oceanographic Tools. International Association of Geodesy Symposia: Vol. 130 (pp. 354-361). Heidelberg: Springer Verlag

Beutler, Gerhard; Bock, Heike; Dach, Rolf; Fridez, Pierre; Gäde, Andreas; Hugentobler, Urs; Jäggi, Adrian; Meindl, Michael; Mervart, Leos; Prange, Lars; Schär, Stefan; Springer, T.; Urschl, Claudia; Walser, Peter (2007). Bernese GPS Software Version 5.0. Bern: Astronomical Institute, University of Bern

Bock, Heike; Jäggi, Adrian; Svehla, Drazen; Beutler, Gerhard; Hugentobler, Urs; Visser, Pieter (2007). Precise Orbit Determination for the GOCE satellite using GPS. Advances in space research, 39(10), pp. 1638-1647. Oxford: Pergamon 10.1016/j.asr.2007.02.053

Urschl, Claudia; Beutler, Gerhard; Gurtner, Werner; Hugentobler, Urs; Schär, Stefan (2007). Contribution of SLR tracking data to GNSS orbit determination. Advances in space research, 39(10), pp. 1515-1523. Oxford: Pergamon 10.1016/j.asr.2007.01.038

Schär, Stefan; Beutler, Gerhard; Bock, Heike; Dach, Rolf; Gäde, Andreas; Hugentobler, Urs; Meindl, Michael; Ostini, Luca; Ploner, Martin; Urschl, Claudia (2007). CODE Contributions to the IGS. In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 (pp. 1-4). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Meindl, Michael; Schär, Stefan (2007). EUREF Activities at CODE. In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 (pp. 5-6). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Brockmann, Elmar; Ineichen, Daniel; Schär, Stefan (2007). Analysis of Permanent GPS-Networks at swisstopo. In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 (pp. 7-9). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Schär, Stefan; Gäde, Andreas; Dach, Rolf; Hugentobler, Urs; Meindl, Michael (2007). GNSS Data Calibration Parameters. In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 (pp. 20-23). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Gäde, Andreas; Hugentobler, Urs; Dach, Rolf (2007). Galileo Geodetic Service Provider (GGSP). In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 (pp. 24-25). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Urschl, Claudia; Beutler, Gerhard; Gurtner, Werner; Hugentobler, Urs; Schär, Stefan (2007). SLR Validation of GNSS Orbits. In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 36 (pp. 412-417). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission 10.1016/j.asr.2005.03.021

Jäggi, Adrian; Beutler, Gerhard; Bock, Heike; Hugentobler, Urs; Prange, Lars (2007). LEO Precise Orbit Modelling and Global Gravity Field Determination. In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 (pp. 44-46). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Dach, Rolf; Schär, Stefan; Hugentobler, Urs; Rothacher, M; Weber, R. (2007). CODE Contribution to Earth Rotation Monitoring. In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 (pp. 63-65). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Bock, Heike; Jäggi, Adrian; Hugentobler, Urs; Dach, Rolf (2007). Processing Facility for ESA's GOCE Gravity Field Explorer Mission. In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 (pp. 46-47). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Brockmann, Elmar; Schär, Stefan (2007). Contribution of swisstopo to GPS-Meteorology. In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 (pp. 128-130). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Dach, Rolf; Bock, Heike; Fridez, Pierre; Gäde, Andreas; Hugentobler, Urs; Jäggi, Adrian; Mervart, Leos; Meindl, Michael; Schaer, Stefan; Urschl, Claudia; Walser, Peter; Beutler, Gerhard (2007). Bernese GPS Software. In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 (pp. 130-132). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Schär, Stefan (2007). CODE Contribution to Global Ionosphere Monitoring. In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 (pp. 132-133). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Dach, Rolf; Bernier, Laurent-Guy; Dudle, Gregor; Hugentobler, Urs; Schildknecht, Thomas (2007). Precise Time and Frequency Transfer. In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 (pp. 329-336). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission 10.1109/FREQ.2005.1573954

Meindl, Michael; Hugentobler, Urs (2007). Orbit Determination for EGNOS Satellites. In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 (pp. 142-143). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Urschl, Claudia (2007). Center for Orbit Determination in Europe (CODE) Associate Analysis Center. In: Noll, Carey; Pearlman, Michael (eds.) International Laser Ranging Service 2005-2006 Report (12/19-12/20). International Laser Ranging Service

Schildknecht, Thomas (2007). Optical Surveys for Space Debris. Astronomy and astrophysics review, 14(1), pp. 41-111. Berlin: Springer International 10.1007/s00159-006-0003-9

Verdun, Andreas (2007). Leonhard Euler. In: Hockey, Thomas; Trimble, Virginia; Williams, Thomas R. (eds.) Biographical Encyclopedia of Astronomers. Springer reference (pp. 346-348). Heidelberg: Springer Verlag

Klöti, Thomas; Verdun, Andreas (2007). Pierre-Henri Puiseux. In: Hockey, Thomas; Trimble, Virginia; Williams, Thomas R. (eds.) Biographical Encyclopedia of Astronomers. Springer reference (pp. 937-938). Heidelberg: Springer Verlag

Jäggi, Adrian; Hugentobler, Urs; Bock, Heike; Beutler, Gerhard (2007). Precise orbit determination for GRACE using undifferenced or doubly differenced GPS data. Advances in space research, 39(10), pp. 1612-1619. Oxford: Pergamon 10.1016/j.asr.2007.03.012

Schildknecht, Thomas; Flohrer, Tim; Musci, Reto (2007). Challenges Related to Discovery, Follow-Up, and Study of Small High Area-to-Mass Ratio Objects at GEO. In: AMOS Conference 2007. September 12-15, 2007, Maui, Hawaii (pp. 354-359). Kihei, Hawaii: Maui Economic Development Board

Jäggi, Adrian (2007). Pseudo-stochastic orbit modelling of Low Earth Satellites using the Global Positioning System. Geodätisch-geophysikalische Arbeiten in der Schweiz: Vol. 73. Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Visser, Pieter; van den IJssel, Jose; van Hellepulte, Tom; Bock, Heike; Jäggi, Adrian; Beutler, Gerhard; Hugentobler, Urs; Svehla, Drazen (2007). Rapid and Precise Orbit Determination for the GOCE satellite. In: Abstract Book. 3rd International GOCE User Workshop, 6 - 8 November 2006, ESA-ESRIN, Frascati, Italy (p. 45). Paris: European Space Agency

Bock, Heike; Dach, Rolf (2007). Near-Real-time Generation of GPS Clock Products. ESA Study report, Technical note SEN3-AIUB-TN-010 Bern: Astronomical Institute, University of Bern

Yoon, Yoke; Montenbruck, Oliver; Bock, Heike (2007). Sentinel-3 POD Feasibility Study. ESA Study report, SEN3-DLR-TN-010 Bern: Astronomical Institute, University of Bern

Urschl, Claudia; Beutler, Gerhard; Gurtner, Werner; Hugentobler, Urs; Schär, Stefan (2007). Calibrating GNSS orbits with SLR tracking data. In: 15th International Workshop on Laser Ranging. Canberra, Australia, October 15-20, 2006 ([1-4]). International Laser Ranging Service

Urschl, Claudia; Beutler, Gerhard; Gurtner, Werner; Hugentobler, Urs; Ploner, Martin (2007). Orbit determination of GIOVE-A using SLR tracking data. In: 15th ILRS Workshop, Canberra, Australia, October, 15-20, 2006 ([1-7]). International Laser Ranging Service

Bock, Heike (2007). Near-Real-Time POD Analysis. ESA Study Report, GRAS-AIUB-TN-010 Bern: Astronomical Institute, University of Bern

Motenbruck, Oliver; Andres, Yago; Bock, Heike; Hellepute, Tom; van Ijssel, Jose; Loiselet, Marc; Marquerdt, Christian; Silvestrin, Pierluigi; Visser, Pieter; Yoon, Yoke (2007). Tracking and Navigation Performance of the GRAS Instrument on MetOp-A. GPS solutions, 12(4), pp. 289-299. Berlin: Springer 10.1007/s10291-008-0091-2

Schildknecht, Thomas; Agapov, Vladimir (2007). Status Report on the IADC AI 23.2 Investigation of High Area-to-Mass Ratio Debris in Higher Earth Orbits. In: Verlag fehlt

Schildknecht, Thomas (2007). Status Report on the International Space Debris Campaign In Higher Earth Orbit [2007]. In: (?-?). Verlag fehlt

Schildknecht, Thomas; Musci, Reto; Flohrer, Tim; Jehn, Rüdiger (2007). ESA Contributions to the IADC AI 23.2 Investigation of High Area-to-Mass Ratio Debris in Higher Earth Orbits. In: 26th Inter-Agency Debris Coordination Committee (IADC) Meeting, June 3-6, Toulouse, France, 2007. International Association of Drilling Contractors IADC

Thomas, Nicolas; Spohn, T; Barriot, J.-P.; Benz, Willy; Beutler, Gerhard; Christensen, U; Dehant, V; Fallnich, C; Giardini, D; Groussin, O; Gunderson, Kurt; Hauber, E; Hilchenbach, M; Iess, L; Lamy, P; Lara, L.-M.; Lognonn, P; Lopez-Moreno, J.~J.; Michaelis, H; Oberst, J; ... (2007). The BepiColombo Laser Altimeter (BELA): Concept and baseline design. Planetary and space science, 55(10), pp. 1398-1413. New York, N.Y.: Elsevier 10.1016/j.pss.2007.03.003

Schildknecht, Thomas; Musci, Reto; Früh, Carolin; Jehn, Rüdiger (2007). ESA Contributions to the IADC AI 23.2 Investigation of High Area-to-Mass Ratio Debris in Higher Earth Orbits. In: 26th Inter-Agency Debris Coordination Committee (IADC) Meeting, April 14-17, Moscow, Russia, 2008. International Association of Drilling Contractors IADC

Schildknecht, Thomas; Musci, Reto; Früh, Carolin; Krag, H. (2007). ESA Contributions to the IADC AI 23.2 Investigation of High Area-to-mass Ratio Debris in Higher Earth Orbits & AI 23.4 International 2007 Optical Observation Campaigns in Higher Earth orbits. In: 27th Inter-Agency Debris Coordination Committee (IADC) Meeting, March 25-27, ESOC,Darmstadt, Germany, 2009. International Association of Drilling Contractors IADC

Schildknecht, Thomas; Flohrer, Tim; Musci, Reto; Klinkrad, H. (2007). Challenges Related to Discovery, Follow-Up, and Study of Small High Area-to-Mass Ratio Objects at GEO. In: 7th US/Russian Space Surveillance Workshop, Oct 29 - Nov 2, Monterey, CA, USA, 2007.

Ostini, Luca (2007). Analysis of GNSS Station Coordinate Time Series Bern: Astronomical Institute, University of Bern

Schildknecht, Thomas; Agapov, V. (2007). Status Report on the IADC AI 23.2 Investigation of High Area-to-Mass Ratio Debris in Higher Earth Orbits. In: 25th Inter-Agency Debris Coordination Committee (IADC) Meeting, June 3-6, Toulouse, France, 2007. International Association of Drilling Contractors IADC

Schildknecht, Thomas; Vananti, A.; Krag, H.; Erd, Ch. (2007). Preliminary results from Spectroscopic Observations of Space Debris. In: 27th Inter-Agency Debris Coordination Committee (IADC) Meeting, March 25-27, ESOC,Darmstadt, Germany, 2009. International Association of Drilling Contractors IADC

Klöti, Thomas; Verdun, Andreas (2007). Puiseux, Pierre-Henri. In: Hockey, Thomas A. (ed.) Biographical Encyclopedia of Astronomers. Springer reference (pp. 937-938). New York: Springer

2006

Jäggi, Adrian; Hugentobler, Urs; Beutler, Gerhard (2006). Pseudo-stochastic orbit modeling techniques for low-Earth orbiters. Journal of geodesy, 80(1), pp. 47-60. Berlin: Springer 10.1007/s00190-006-0029-9

Beutler, Gerhard; Jäggi, Adrian; Hugentobler, Urs; Mervart, Leos (2006). Efficient satellite orbit modelling using pseudo-stochastic parameters. Journal of geodesy, 80(7), pp. 353-372. Berlin: Springer 10.1007/s00190-006-0072-6

Schildknecht, Thomas; Musci, Reto; Flohrer, Tim; Flury, W; Kuusela, J; de Leon, Julia; de Fatima Dominguez Palmero, Lilian (2006). Monitoring the Space Debris Environment at High Altitudes Using Data From the ESA Optical Surveys. In: 57th International Astronautical Congress. Valencia, Spain, Oct. 2-6, 2006. Paris: International Astronautical Federation

Schildknecht, Thomas; Flohrer, Tim (2006). Ein Satellitendeckel und jede Menge Schrott. UniPress - Forschung und Wissenschaft an der Universität Bern(130), pp. 17-18. Bern: Abteilung Kommunikation, Universität Bern

Schildknecht, Thomas; Africano, John (2006). Status Report on the International Space Debris Campaign In Higher Earth Orbit [2006]. In: Verlag fehlt

Schildknecht, Thomas; Musci, Reto; Ploner, Martin; Flohrer, Tim; Flury, W; Kuusela, J; de Leon, Julia; de Fatima Dominguez Palmero, Lilian (2006). Recent Results form the ESA Optical Space Debris Survey. In: AMOS Conference 2006. September 10-14, 2006, Maui, Hawaii. Kihei, Hawaii: Maui Economic Development Board

Flohrer, Tim; Schildknecht, Thomas; Jehn, Rüdiger; Oswald, Michael (2006). Performance of a Proposed Instrument for Space-Based Optical Observations of Space Debris. In: 57th International Astronautical Congress. Valencia, Spain, Oct. 2-6, 2006. Paris: International Astronautical Federation

Musci, Reto; Schildknecht, Thomas; Beutler, Gerhard; Agapov, Vladimir (2006). Observations of High Altitude Objects From Multiple Sites. In: International Astronautical Federation. Paris.

Agapov, Vladimir; Schildknecht, Thomas; Akim, Efraim; Molotov, Igor; Titenko, Vladimir; Yurasov, Vasiliy (2006). Results of GEO space debris studies in 2004-2005. In: 57th International Astronautical Congress. Valencia, Spain, Oct. 2-6, 2006. Paris: International Astronautical Federation

Jehn, Rüdiger; Ariafar, Shahram; Schildknecht, Thomas; Musci, Reto; Oswald, Michael (2006). Estimating the Number of Debris in the Geostationary Ring. Acta astronautica, 59(1-5), pp. 84-90. Oxford: Pergamon 10.1016/j.actaastro.2006.02.053

Wokke, F. J. P.; Kramer, A. J.; van Benthem, R.; Annes, R. A.; Flohrer, T.; Schildknecht, T.; Stöveken, E.; Valtonen, E.; Peltonen, J.; Riihonen, E.; Eronen, T.; Kuusela, J. (2006). An Instrument Design for Space-Based Optical Observation of Space Debris. In: Bendisch, J. (ed.) Space Debris and Space Traffic Management 2005. Proceedings of the International Academy of Astronautics Symposium held in conjunction with the 56th International Astronautical Congress, Fukuoka, Japan, October 17-21, 2005. Science & Technology Series: Vol. 112 (pp. 73-84). San Diego: Univelt

Beutler, Gerhard (2006). Revolution in Geodesy, Navigation, and Surveying. In: Festschrift Univ.Prof. Dr.-Ing. Prof. h.c. Günter Seeber zur Emeritierung anlässlich seines 65. Geburtstags. Wissenschaftliche Arbeiten der Fachrichtung Geodäsie und Geoinformatik: Vol. 258 (pp. 11-27). Hannover: Geodätisches Institut der Leibniz Universität Hannover

Verdun, Andreas (2006). Zwei Jahrhunderte zwischen Himmel und Erde. UniPress - Forschung und Wissenschaft an der Universität Bern(130), pp. 5-6. Bern: Abteilung Kommunikation, Universität Bern

Verdun, Andreas (2006). Methods of Modern Exact Sciences in the Astronomical Works of Leonhard Euler. In: Folkerts, Menso; Kühne, Andreas (eds.) Astronomy as a Model for the Sciences in Early Modern Times. Papers from the International Symposium Munich, 10-12 March 2003. Algorismus: Vol. 59 (pp. 333-351). Augsburg: Rauner

Verdun, Andreas (2006). Astronomie und Mathematik in "bernischen Landen". In: Holenstein, André (ed.) Berns mächtige Zeit. Das 16. und 17. Jahrhundert neu entdeckt (pp. 289-295). Bern: Schulverlag blmv / Stämpfli

Bauch, A; Achkar, J; Bize, S; Calonico, D; Dach, Rolf; Hlavac, R; Lorini, L; Parker, T; Petit, G; Piester, D; Szymaniec, K; Uhrich, P (2006). Comparison between frequency standards in Europe and the USA at the 1e-15 uncertainty level. Metrologia, 43(1), pp. 109-120. Bristol, UK: Institute of Physics Publishing IOP 10.1088/0026-1394/43/1/016

Dach, Rolf; Schildknecht, Thomas; Hugentobler, Urs; Bernier, Laurent-Guy; Dudle, Gregor (2006). Continuous Geodetic Time Transfer Analysis Methods. IEEE transactions on ultrasonics, ferroelectrics and frequency control, 7(53), pp. 1250-1259. New York, N.Y.: Institute of Electrical and Electronics Engineers IEEE 10.1109/TUFFC.2006.1665073

Dach, Rolf; Schär, Stefan; Hugentobler, Urs; Schildknecht, Thomas; Gäde, Andreas (2006). Combined Multi-System GNSS Analysis for Time and Frequency Transfer. In: Proceedings of the 20th European Frequency and Time Forum. 27-30 March 2006, Braunschweig, Germany (pp. 530-537). Braunschweig: European Frequency and Time Forum

Jiang, Z; Dach, Rolf; Petit, G; Schildknecht, Thomas; Hugentobler, U (2006). Comparison and Combination of TAI Time Links with Continuous GPS Carrier Phase Results. In: Proceedings of the 20th European Frequency and Time Forum. 27-30 March 2006, Braunschweig, Germany (pp. 440-447). Braunschweig: European Frequency and Time Forum

This list was generated on Sat Jun 24 04:39:04 2017 CEST.
Provide Feedback