Inhaltsbereich

Publications

(Co) Author: Beyerle, G.

Paper (ISI journals)

2011

Beyerle, G.; Grunwaldt, L.; Heise, S.; Köhler, W.; König, R.; Michalak, G.; Rothacher, M.; Schmidt, T.; Wickert, J.; Tapley, B. D.; Giesinger, B. (2011): First results from the GPS atmosphere sounding experiment TOR aboard the TerraSAR-X satellite. Atmospheric Chemistry and Physics, 11, 13, 6687-6699.
| EDOC: 16379 | Abstract | 10.5194/acp-11-6687-2011 | www.atmos-chem-phys.net/11/6687/2011 |

Semmling, A. M.; Beyerle, G.; Stosius, R.; Dick, G.; Wickert, J.; Fabra, F.; Cardellach, E.; Ribó, S.; Rius, A.; Helm, A.; Yudanov, S. B.; d'Addio, S. (2011): Detection of Arctic Ocean tides using interferometric GNSS-R signals. Geophysical Research Letters, 38, L04103.
| EDOC: 16979 | 10.1029/2010GL046005 | PDF |

Stosius, R.; Beyerle, G.; Hoechner, A.; Wickert, J.; Lauterjung, J. (2011): The impact on tsunami detection from space using GNSS-reflectometry when combining GPS with GLONASS and Galileo on GNSS-Reflectometry tsunami detection from space. Advances in Space Research, 47, 5, 843-853.
| EDOC: 16450 | 10.1016/j.asr.2010.09.022 |

Zus, F.; Beyerle, G.; Heise, S.; Schmidt, T.; Wickert, J.; Marquardt, C. (2011): Validation of refractivity profiles derived from GRAS raw-sampling data. Atmospheric Measurement Techniques, 4, 7, 1541-1550.
| EDOC: 17341 | Abstract | 10.5194/amt-4-1541-2011 | PDF |

2010

Stosius, R.; Beyerle, G.; Helm, A.; Hoechner, A.; Wickert, J. (2010): Simulation of space-borne tsunami detection using GNSS-Reflectometry applied to tsunamis in the Indian Ocean. Natural Hazards and Earth System Sciences (NHESS), 10, 6, 1359-1372.
| EDOC: 15346 | 10.5194/nhess-10-1359-2010 | PDF |

2009

Beyerle, G. (2009): Carrier phase wind-up in GPS reflectometry. GPS Solutions, 13, 3, 191-198.
| EDOC: 13320 | 10.1007/s10291-008-0112-1 | PDF |

Beyerle, G.; Ramatschi, M.; Galas, R.; Schmidt, T.; Wickert, J.; Rothacher, M. (2009): A data archive of GPS navigation messages. GPS Solutions, 13, 1, 35-41.
| EDOC: 11546 | 10.1007/s10291-008-0095-y | PDF |

Wickert, J.; Michalak, G.; Schmidt, T.; Beyerle, G.; Cheng, C. Z.; Healy, S. B.; Heise, S.; Huang, C. Y.; Jakowski, N.; Köhler, W.; Mayer, C.; Offiler, D.; Ozawa, E.; Pavelyev, A. G.; Rothacher, M.; Tapley, B.; Arras, C. (2009): GPS radio occultation: results from CHAMP, GRACE and FORMOSAT-3/COSMIC. Terrestrial Atmospheric and Oceanic Sciences, 20, 1, 35-50.
| EDOC: 13109 | 10.3319/TAO.2007.12.26.01(F3C) |

2008

Arras, C.; Wickert, J.; Beyerle, G.; Heise, S.; Schmidt, T.; Jacobi, C. (2008): A global climatology of ionospheric irregularities derived from GPS radio occultation. Geophysical Research Letters, 35, L14809.
| EDOC: 12677 | Abstract | 10.1029/2008GL034158 |

Heise, S.; Wickert, J.; Beyerle, G.; Schmidt, T.; Smit, H.; Cammas, J. P.; Rothacher, M. (2008): Comparison of Water Vapour and Temperature Results From GPS Radio Occultation Aboard CHAMP With MOZAIC Aircraft Measurements. IEEE Transactions on Geoscience and Remote Sensing, 46, 11, 3406-3411.
| EDOC: 12684 | 10.1109/TGRS.2008.920268 | PDF |

Schmidt, T.; Wickert, J.; Beyerle, G.; Heise, S. (2008): Global tropopause height trends estimated from GPS radio occultation data. Geophysical Research Letters, Vol. 35, L11806.
| EDOC: 11543 | 10.1029/2008GL034012 |

2007

Engeln, A. v.; Teixeira, J.; Beyerle, G. (2007): Impact of thin water vapor layers on CHAMP radio occultation measurements. Radio Science, 42, RS2010.
| EDOC: 10336 | 10.1029/2005RS003379 | PDF |

Healy, S. B.; Wickert, J.; Michalak, G.; Schmidt, T.; Beyerle, G. (2007): Combined forecast impact of GRACE-A and CHAMP GPS radio occultation bending angle profiles. Atmospheric Science Letters, 8, 2, 43-50.
| EDOC: 10181 | 10.1002/asl.149 |

2006

Beyerle, G.; Schmidt, T.; Wickert, J.; Heise, S.; Rothacher, M.; König-Langlo, G.; Lauritsen, K. B. (2006): Observations and simulations of receiver-induced refractivity biases in GPS radio occultation. Journal of Geophysical Research, 111, D12101.
| EDOC: 8898 | 10.1029/2005JD006673 | PDF |

Heise, S.; Wickert, J.; Beyerle, G.; Schmidt, T.; Reigber, C. (2006): Global monitoring of tropospheric water vapor with GPS radio occultation aboard CHAMP. Advances in Space Research, 37, 12, 2222-2227.
| EDOC: 9530 | Abstract | 10.1016/j.asr.2005.06.066 |

Schmidt, T.; Beyerle, G.; Heise, S.; Wickert, J.; Rothacher, M. (2006): A climatology of multiple tropopauses derived from GPS occultations with CHAMP and SAC-C. Geophysical Research Letters, 33, L04808.
| EDOC: 8894 | 10.1029/2005GL024600 |

2005

Beyerle, G.; Schmidt, T.; Michalak, G.; Heise, S.; Wickert, J.; Reigber, C. (2005): GPS radio occultation with GRACE: Atmospheric profiling utilizing the zero difference technique. Geophysical Research Letters, Vol. 32, 13, L13806.
| EDOC: 7919 | Abstract | 10.1029/2005GL023109 | PDF |

Schmidt, T.; Heise, S.; Wickert, J.; Beyerle, G.; Reigber, C. (2005): GPS radio occultation with CHAMP and SAC-C: global monitoring of thermal tropopause parameters. Atmospheric Chemistry and Physics, 5, 6, 1473-1488.
| EDOC: 7206 | PDF |

Wickert, J.; Beyerle, G.; König, R.; Heise, S.; Grunwaldt, L.; Michalak, G.; Reigber, C.; Schmidt, T. (2005): GPS radio occultation with CHAMP and GRACE: A first look at a new and promising satellite configuration for global atmospheric sounding. Annales Geophysicae, 23, 3, 653-658.
| EDOC: 7700 | PDF |

2004

Beyerle, G.; Wickert, J.; Schmidt, T.; Reigber, C. (2004): Atmospheric sounding by global navigation satellite system radio occultation: An analysis of the negative refractivity bias using CHAMP observations. Journal of Geophysical Research, 109, D01106.
| EDOC: 5395 | Abstract | 10.1029/2003JD003922 |

Schmidt, T.; Wickert, J.; Beyerle, G.; Reigber, C. (2004): Tropical tropopause parameters derived from GPS radio occultation measurements with CHAMP. Journal of Geophysical Research, 109, D13105.
| EDOC: 6186 | 10.1029/2004JD004566 |

Schmidt, T.; Wickert, J.; Marquardt, C.; Beyerle, G.; Reigber, C.; Galas, R.; König, R. (2004): GPS radio occultation with CHAMP: an innovative remote sensing method of the atmosphere. Advances in Space Research, 33, 7, 1036-1040.
| EDOC: 5700 |

Wickert, J.; Galas, R.; Beyerle, G.; Reigber, C.; Förste, C.; Ramatschi, M. (2004): Atmospheric sounding with CHAMP: GPS ground station data for occultation processing. Physics and Chemistry of the Earth, Parts A/B/C, 29, 2-3, 267-275.
| EDOC: 5406 | 10.1016/j.pce.2004.01.015 |

Wickert, J.; Schmidt, T.; Beyerle, G.; König, R.; Reigber, C.; Jakowski, N. (2004): The Radio Occultation Experiment aboard CHAMP: Operational Data Analysis and Validation of Vertical Atmospheric Profiles. Journal of the Meteorological Society of Japan, 82, No. 1B, 381-395.
| EDOC: 5412 |

2003

Ao, C. O.; Meehan, T .K.; Hajj, G. A.; Mannucci, A . J.; Beyerle, G. (2003): Lower troposphere refractivity bias in GPS occultation retrievals. Journal of Geophysical Research, 108, D18, 4577.
| EDOC: 4279 | Abstract | 10.29/2002JD003216 |

Beyerle, G.; Gorbunov, M. E.; Ao, C. O. (2003): Simulation studies of GPS radio occultation measurements. Radio Science, 38, 5, 1084.
| EDOC: 4280 | Abstract | 10.1029/2002RS002800 |

2002

Beyerle, G.; Hocke, K.; Wickert, J.; Schmidt, T.; Marquardt, C.; Reigber, C. (2002): GPS radio occultations with CHAMP: A radio holographic analysis of GPS signal propagation in the troposphere and surface reflections. Journal of Geophysical Research, 107, D24.
| EDOC: 3409 |

Wickert, J.; Beyerle, G.; Hajj, G. A.; Schwieger, V.; Reigber, C. (2002): GPS radio occultation with CHAMP: Atmospheric profiling utilizing the space-based single difference technique.. Geophysical Research Letters, 29, 8, 10.1029.
| EDOC: 3319 | 10.1029/2001GL013982, |

2001

Beyerle, G.; Deckelmann, H.; Neuber, R.; Rosen, J. M.; Reimer, E.; Schoeberl, M. R. (2001): Occurrence of solid particles in the winter polar stratosphere above the nitric acid trihydrate coexistence temperature inferred from ground-based polarization lidar observations at Ny-AAlesund, Spitzbergen. Journal of Geophysical Research, 106, D3, 2979-2992.
| EDOC: 2354 |

Beyerle, G.; Gross, M. R.; Haner, D. A.; Kjome, N. T.; McDermid, I. S.; McGee, T. J.; Rosen, J. M.; Schäfer, H.-J.; Schrems, O. (2001): A lidar and backscatter sonde aerosol measurement campaign at Table Mountain during February-March 1997: Observations of cirrus clouds. Journal of Atmospheric and Solar-Terrestrial Physics, 58, 10, 1275-1287.
| EDOC: 2353 |

Beyerle, G.; Hocke, K. (2001): Observation and simulation of direct and reflected GPS signals in radio occultation experiments. Geophysical Research Letters, 28, 9, 1895-1898.
| EDOC: 2483 |

Biele, J.; Tsias, A.; Luo, B. P.; Carslaw, K. S.; Neuber, R.; Beyerle, G.; Peter, T. (2001): Nonequilibrium coexistence of solid and liquid particles in Arctic stratospheric clouds. Journal of Geophysical Research, 106, D19, 22,991-23,008.
| EDOC: 8127 | 10.1029/2001JD900188 |

Wickert, J.; Galas, R.; Beyerle, G.; König, R.; Reigber, C. (2001): GPS Ground Station Data for CHAMP Radio Occultation Measurements. Physics and Chemistry of the Earth (A), 26, 6-8, 503-511.
| EDOC: 2337 | Abstract | 10.1016/S1464-1895(01)00092-8 |

Wickert, J.; Reigber, C.; Beyerle, G.; König, R.; Schmidt, T.; Grunwaldt, L.; Galas, R.; Meehan, T.; Melbourne, W. G.; Hocke, K. (2001): Atmosphere sounding by GPS radio occultation: First Results from CHAMP. Geophysical Research Letters, 28, 17, 3263-3266.
| EDOC: 2345 | Abstract | PDF |

2000

Beyerle, G. (2000): Detection of stratospheric sulfuric acid aerosols with polarization lidar: Theory, simulations, and observations. Applied Optics, 39, 27, 4994-5000.
| EDOC: 2352 |

Biele, J.; Beyerle, G.; Baumgarten, G. (2000): Polarization lidar: Corrections of instrumental effects. Optics Express, 7, 12, 427-435.
| EDOC: 2355 |

1999

Beyerle, G.; McDermid, I. S. (1999): Altitude range resolution of differential absorption lidar ozone profiles. Applied Optics, 38, 6, 924-927.
| EDOC: 2351 |

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Paper (further journals)

2002

Pavelyev, A.; Igarashi, K.; Reigber, C.; Wickert, K.; Beyerle, G.; Matyugov, S.; Kucherjavenkov, A.; Pavelyev, D.; Yakovlev, O. (2002): First application of the radioholographic method to wave observations in the upper atmosphere. Radio Science, 37, 3, 1043.
| EDOC: 4004 | 10.1029/2000RS002501 |

2001

Beyerle, G.; Wickert, J.; Galas, R.; Hocke, K.; König, R.; Marquardt, C.; Pavelyev, A. G.; Reigber, C.; Schmidt, T. (2001): GPS Occultation Measurements with GPS/MET and CHAMP. 1-6.
| EDOC: 2348 |

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Chapter in Book

2013

Arras, C.; Wickert, J.; Jacobi, C.; Beyerle, G.; Heise, S.; Schmidt, T. (2013): Global Sporadic E Layer Characteristics Obtained from GPS Radio Occultation Measurements. - In: Lübken, F.-J. (Eds.), Climate and weather of the sun-earth system (CAWSES) : highlights from a priority program, Springer, 207-222.
| EDOC: 19190 | 10.1007/978-94-007-4348-9_12 |

2010

Beyerle, G.; Arras, C.; Heise, S.; Schmidt, T.; Wickert, J. (2010): GPS-Radiookkultation mit dem CHAMP-Satelliten. - In: Gathen, P. v. d.; Rinke, A.; Neuber, R.; Leutert, B. (Eds.), Polare Atmosphärenforschung in Potsdam : Festschrift anlässlich des 60. Geburtstages von Klaus Dethloff mit Beiträgen von wissenschaftlichen Weggefährten, Alfred-Wegener-Institut für Polar- und Meeresforschung, Forschungsstelle Potsdam, 133-141.
| EDOC: 15038 |

Chen, J.; Bender, M.; Beyerle, G.; Dick, G.; Falck, C.; Ge, M.; Gendt, G.; Heise, S.; Ramatschi, M.; Schmidt, T.; Stosius, R.; Wickert, J. (2010): GNSS Activities for Natural Disaster Monitoring and Climate Change Detection at GFZ - an Overview. - In: Chuvieco, E.; Li, J.; Yang, X. (Eds.), Advances in Earth Observation of Global Change, Springer, 159-172.
| EDOC: 16041 | 10.1007/978-90-481-9085-0_12 |

Heise, S.; Wickert, J.; Arras, C.; Beyerle, G.; Faber [Haser], A.; Schmidt, T.; Zus, F. (2010): Analysis and application of atmospheric data from CHAMP and GRACE. Observation of the system Earth from Space : Status Seminar 4 October 2010 Rheinische Friedrich-Wilhelms-Universität Bonn, Koordinierungsbüro GEOTECHNOLOGIEN, 46-51.
| EDOC: 16389 |

Wickert, J.; Beyerle, G.; Falck, C.; Healy, S. B.; Heise, S.; Köhler, W.; Michalak, G.; Offiler, D.; Pingel, D.; Ramatschi, M.; Rothacher, M.; Schmidt, T. (2010): Global atmospheric data from CHAMP and GRACE-A: Overview and results. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 433-441.
| EDOC: 15060 |

2009

Plag, H.-P.; Altamimi, Z.; Bettadpur, S.; Beutler, G.; 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.; Senior, K.; Woodworth, P. L.; Zerbini, S.; Zuffada, C. (2009): The goals, achievements, and tools of modern geodesy. - In: Plag, H.-P.; Pearlman, M. (Eds.), Global Geodetic Observing System - Meeting the Requirements of a Global Society on a Changing Planet in 2020, Springer, 15-87.
| EDOC: 14674 | 10.1007/978-3-642-02687-4 |

Wickert, J.; Schmidt, T.; Michalak, G.; Heise, S.; Arras, C.; Beyerle, G.; Falck, C.; König, R.; Pingel, D.; Rothacher, M. (2009): GPS Radio Occultation with CHAMP, GRACE-A, SAC-C, TerraSAR-X, and FORMOSAT-3/COSMIC: Brief Review of Results from GFZ. - In: Steiner, A.; Pirscher, B.; Foelsche, U.; Kirchengast, G. (Eds.), New Horizons in Occultation Research : Studies in Atmosphere and Climate, Springer, 3-16.
| EDOC: 13375 |

2007

Helm, A.; Wetzel, H.-U.; Michajljow, W.; Beyerle, G.; Reigber, C.; Rothacher, M. (2007): Natural Hazard Monitoring with reflected GPS signals at Merzbacher Glacier Lake. - In: Seyfert, E. (Eds.), Vorträge Dreiländertagung SGPBF, DGPF und OVG : 27. wissenschaftlich-technische Jahrestagung der DGPF, 19. - 21. Juni 2007 in Muttenz, Basel, DGPF, 505-516.
| EDOC: 10645 | Abstract |

Wickert, J.; Beyerle, G.; Falck, C.; Flechtner, F.; Galas, R.; Grunwaldt, L.; Healy, S. B.; Heise, S.; Köhler, W.; König, R.; Massmann, F.-H.; Michalak, G.; Offiler, D.; Pingel, D.; Poli, P.; Ozawa, E.; Rothacher, M.; Schmidt, T.; Tapley, B.; Wergen, W. (2007): Global atmospheric data from CHAMP and GRACE in near-real time. Observations of the System Earth from Space : status seminar, 22 - 23 November 2007, Bavarian Academy of Sciences and Humanities, Munich; Programme & Abstracts, Koordinierungsbüro GEOTECHNOLOGIEN, 36-40.
| EDOC: 11024 |

Wickert, J.; Gendt, G.; Beyerle, G.; Heise, S.; Helm, A.; Reigber, C.; Schmidt, T.; Jakowski, N.; Jacobi, C. (2007): Ground and Space Based GPS Atmospheric Sounding: Brief Overview and Examples. - In: Anandan, V. K.; Roettger, J.; Rao, D. N. (Eds.), Proceedings of the INTAR colloquium -International Network of Atmosphere Radar-, National Atmospheric Research Laboratory, Gadanki, 1-10.
| EDOC: 11026 |

2006

Beyerle, G.; Heise, S.; Kaschenz, J.; König-Langlo, G.; Reigber, C.; Schmidt, T.; Wickert, J. (2006): Refractivity biases in GNSS occultation data. - In: Fölsche, U.; Kirchengast, G.; Steiner, A. (Eds.), Atmosphere and climate : studies by occultation methods, Springer, 37-43.
| EDOC: 6367 | PDF |

Wickert, J.; Beyerle, G.; Schmidt, T.; Healy, S. B.; Heise, S.; Michalak, G.; Rothacher, M. (2006): GPS based atmospheric sounding with CHAMP: Results achieved after four years. Proceedings / The 2005 EUMETSAT Meteorological Satellite Conference : Dubrovnik, Croatia, 19 - 23 September 2005, Eumetsat, 39-47.
| EDOC: 8903 |

Wickert, J.; Schmidt, T.; Beyerle, G.; Heise, S.; Reigber, C. (2006): Global Atmospheric Sounding with GPS Radio Occultation aboard CHAMP. - In: Flury, J.; Rummel, R.; Reigber, C.; Rothacher, M.; Boedecker, G.; Schreiber, U. (Eds.), Observation of the Earth System from Space, Springer, 55-70.
| EDOC: 8369 |

Wickert, J.; Schmidt, T.; Beyerle, G.; Michalak, G.; König, R.; Reigber, C.; Heise, S. (2006): GPS radio occultation with CHAMP and GRACE: Recent results. - In: Foelsche, U.; Kirchengast, G.; Steiner, A. (Eds.), Atmosphere and climate : studies by occultation methods, Springer, 3-16.
| EDOC: 6292 | Abstract |

2005

Beyerle, G.; Wickert, J.; Schmidt, T.; König, R.; Reigber, C. (2005): An analysis of the lower tropospheric refractivity bias by heuristic sliding spectral methods. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth observation with CHAMP : Results from Three Years in Orbit, Springer, 507-512.
| EDOC: 5732 |

Helm, A.; Beyerle, G.; Heise, S.; Schmidt, T.; Wickert, J. (2005): The continuous Wavelet Transform, a valuable analysis tool to detect atmospheric and ionospheric signatures in radiooccultation path delay data. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP - Results from Three Years in Orbit, Springer, 591-596.
| EDOC: 5761 |

Schmidt, T.; Wickert, J.; Beyerle, G.; König, R.; Galas, R.; Reigber, C. (2005): The CHAMP atmospheric processing system for radio occultation measurements. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth observation with CHAMP : Results from Three Years in Orbit, Springer, 597-602.
| EDOC: 5733 |

Schmidt, T.; Wickert, J.; Beyerle, G.; Reigber, C. (2005): Tropical Tropopause Characteristics from CHAMP. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 561-566.
| EDOC: 6211 |

Wang, D. Y.; Wickert, J.; Stiller, G.; Clarmann, T. von; Beyerle, G.; Schmidt, T.; Puertas, M. L.; Funke, B.; Gil-Lopez, S.; Glatthor, N.; Grabowski, U.; Höpfner, M.; Kellermann, S.; Kiefer, M.; Linden, A.; Tsidu, G. M.; Milz, M.; Steck, T.; Fischer, H.; Reigber, C. (2005): Comparisons of MIPAS/ENVISAT and GPS-RO/CHAMP temperature profiles. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 567-572.
| EDOC: 6214 |

Wickert, J.; Gobiet, A.; Beyerle, G.; Steiner, A. K.; Kirchengast, G.; Foelsche, U.; Schmidt, T. (2005): GPS radio occultation with CHAMP: Comparison of inversion results from GFZ Potsdam and IGAM Graz. - In: Reigber, Ch.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 525-530.
| EDOC: 6201 |

Wickert, J.; Schmidt, T.; Beyerle, G.; Michalak, G.; König, R.; Kaschenz, J.; Reigber, C. (2005): Atmospheric profiling with CHAMP: Status of the operational data analysis, validation of the recent data products and future prospects. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth observation with CHAMP : Results from Three Years in Orbit, Springer, 495-500.
| EDOC: 5731 |

2003

Marquardt, C.; Schöllhamer, K.; Beyerle, G.; Schmidt, T.; Wickert, J.; Reigber, C. (2003): Validation and data quality of CHAMP radio occultation data.. - In: Reigber, C.; Lühr, H.; Schwintzer, P. (Eds.), First CHAMP mission results for gravity, magnetic and atmospheric studies, Springer, 384-396.
| EDOC: 3851 |

Pavelyev, D. A.; Wickert, J.; Pavelyev, A. G.; Kucherjavenkov, I.; Matyugov, S. S.; Hocke, K.; Beyerle, G.; Yakovlev, O. I.; Kucherjavenkov, A. (2003): Observation of reflected Signals in MIR/GEO and GPS/MET Radio Occultation Missions. - In: Reigber, Ch.; Lühr, H.; Schwintzer, P. (Eds.), First CHAMP Mission Results for Gravity, Magnetic and Atmospheric Studies, Springer-Verlag, 508-514.
| EDOC: 3439 |

Wickert, J.; Beyerle, G.; Schmidt, T.; König, R.; Reigber, C.; Marquardt, C. (2003): Highlights of CHAMP atmospheric occultation results. OIST-4 proceedings : 4th OERSTED International Science Team Conference, Copenhagen, 23-27 September 2002, Danish Meteorological Institute, 235-240.
| EDOC: 6219 |

Wickert, J.; Beyerle, G.; Schmidt, T.; Marquardt, C.; König, R.; Grunwaldt, L.; Reigber, C. (2003): GPS Radio Occultation with CHAMP. - In: Reigber, C.; Lühr, H.; Schwintzer, P. (Eds.), First CHAMP Mission Results for Gravity, Magnetic and Atmospheric Studies, Springer-Verlag, 371-383.
| EDOC: 3434 |

2002

Beyerle, G.; Reigber, C.; Galas, R.; Grunwaldt, L.; König, R.; Marquardt, C.; Meehan, T. K.; Schmidt, T.; Wickert, J.; Yunck, T. P. (2002): Radio occultation results and lessons learnt from the CHAMP mission. Proceedings / The 2002 EUMETSAT Meteorological Satellite Conference : Dublin, Ireland, 02 - 06 September 2002, Eumetsat, 107-114.
| EDOC: 6290 | Abstract |

Wickert, J.; Reigber, C.; Beyerle, G.; König, R.; Marquardt, C.; Schmidt, T.; Meehan, T.; Grunwaldt, L.; Galas, R. (2002): GPS radio occultation with CHAMP : Initial results. Proceedings of the International Beacon Satellite Symposium : Boston, 3 - 6 June, 2001 (available on CD), 59-62.
| EDOC: 3320 |

Wickert, J.; Schmidt, T.; Marquardt, C.; Reigber, C.; Neumayer, K.-H.; Beyerle, G.; Galas, R.; Grunwaldt, L. (2002): GPS radio occultation with CHAMP : First results and status of the experiment. - In: Ádám, J. (Eds.), Vistas for geodesy in the new millennium : IAG 2001 scientific assembly, Budapest, Hungary, September 2-7, 2001, 273-278.
| EDOC: 3321 |

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Conference Paper

2012

Beckheinrich, J.; Semmling, M.; Beyerle, G.; Wickert, J.; Apel, H. (2012): GNSS-Reflectometry from ground-based, airborne and satellite platforms: Observations and simulation studies. Electronic Proceedings / EUSAR 2012, 9th European Conference on Synthetic Aperture Radar - EuSAR 2012 (Nürnberg, Germany 2012), 641-644.
| EDOC: 19192 |

Beckheinrich, J.; Semmling, M.; Beyerle, G.; Wickert, J.; Apel, H. (2012): WISDOM: GNSS-R based flood monitoring - Preliminary results. General Assembly European Geosciences Union (Vienna, Austria 2012).
| EDOC: 18846 |

Beckheinrich, J.; Semmling, M.; Beyerle, G.; Wickert, J.; Apel, H.; Stosius, R. (2012): GNSS-Reflectometry from ground-based, airborne and satellite platforms: Observations and simulation studies. EUSAR 2012 – 9th European Conference on Synthetic Aperture Radar (Nürnberg 2012).
| EDOC: 18621 | Abstract |

Heise, S.; Beyerle, G.; Grunwaldt, G.; Michalak, G.; Schmidt, T.; Wickert, J.; Zus, F. (2012): Processing and application of GPS radio occultation data from TerraSAR-X and TanDEM-X. General Assembly European Geosciences Union (Vienna, Austria 2012).
| EDOC: 18844 |

Heise, S.; Wickert, J.; Arras, C.; Beyerle, G.; Bender, M.; Chen, J.; Deng, Z.; Dick, G.; Falck, C.; Ge, M.; Gendt, G.; Faber, A.; Ramatschi, M.; Schmidt, T.; Semmling, M.; Stosius, R. (2012): GPS-basierte Atmosphärenfernerkundung am GFZ: Beobachtungsverfahren und Anwendungen. SORACAL-Meeting (Potsdam, Germany 2012).
| EDOC: 19830 |

Heise, S.; Wickert, J.; Arras, C.; Beyerle, G.; Faber, A.; Michalak, G.; Schmidt, T.; Zus, F. (2012): Reprocessing and application of GPS radio occultation data from CHAMP and GRACE. Statusseminar Geotechnologien 'Weltraum Phase III' (Potsdam 2012).
| EDOC: 19831 |

Schmidt, T.; Heise, S.; Michalak, G.; Beyerle, G.; Zus, F.; Wickert, J.; Faber, A.; de la Torre, A.; Alexander, P. (2012): Upper tropospheric and lower stratospheric variability observed with GPS radio occultation data since 2001: Results from CHAMP, GRACE, TerraSAR-X, and FORMOSAT-3/COSMIC. International Radio Occultation Working Group (IROWG) 2nd Workshop (Boulder 2012).
| EDOC: 19829 |

Schmidt, T.; Llamedo, P.; de la Torre, A.; Heise, S.; Zus, F.; Beyerle, G.; Faber, A.; Wickert, J. (2012): Variability of the upper troposphere and lower stratosphere observed with GPS radio occultation temperatures. 7th IAGA/ICMA/CAWSES Workshop on Long-Term Changes and Trends in the Atmosphere (Buenos Aires, Argentina 2012).
| EDOC: 19833 |

Wickert, J.; Arras, C.; Bartsch, M.; Beyerle, G.; Bender, M.; Deng, Z.; Dick, G.; Falck, C.; Ge, M.; Gendt, G.; Heise, S.; Michalak, G.; Ramatschi, M.; Schmidt, T.; Semmling, M. (2012): GPS/Galileo Earth Observation at GFZ: Recent activities and results. International Symposium and Summer School on Space Geodesy and Earth System (SGES2012) (Shanghai, China 2012).
| EDOC: 19199 |

Wickert, J.; Beyerle, G.; Falck, C.; Grunwaldt, L.; Heise, S.; Ramatschi, M.; Stege, S.; Schmidt, T.; Semmling, M.; Zus, F. (2012): GNSS radio occultation at GFZ: Recent results and activities related to future missions. Sixth FORMOSAT-3/COSMIC Data Users' Workshop (Boulder, Colorado 2012).
| EDOC: 19811 |

Zus, F.; Beyerle, G.; Grunwaldt, L.; Heise, S.; Michalak, G.; Schmidt, T.; Wickert, J. (2012): Processing of GPS radio occultation data from TerraSAR-X and TanDEM-X. Sixth FORMOSAT-3/COSMIC Data Users' Workshop (Boulder, Colorado 2012).
| EDOC: 19805 |

2011

Beyerle, G.; Semmling, M.; Grunwaldt, L.; Wickert, J.; Flechtner, F. (2011): A Coherent Ocean Reflection Experiment for GRACE F-O. GRACE Science Team Meeting (Austin, Texas 2011).
| EDOC: 17345 |

Heise, S.; Beyerle, G.; Michalak, G.; Schmidt, T.; Wickert, J.; Zus, F. (2011): GPS radio occultation at GFZ: Status and recent results from TerraSAR-X and TanDEM-X. General Assembly European Geosciences Union (Vienna, Austria 2011).
| EDOC: 17361 |

Heise, S.; Wickert, J.; Arras, C.; Beyerle, G.; Faber, A.; Michalak, G.; Schmidt, T.; Zus, F. (2011): Applications of atmospheric data from GPS Radio Occultation. BMBF Geotechnologien Statusseminar 2011'Erfassung des Systems Erde aus dem Weltraum III'(Stuttgart 2011).
| EDOC: 19828 |

Heise, S.; Wickert, J.; Arras, C.; Beyerle, G.; Faber, A.; Michalak, G.; Schmidt, T.; Zus, F. (2011): Reprocessing and application of GPS radio occultation data from CHAMP and GRACE. BMBF Geotechnologien Statusseminar 2011 'Erfassung des Systems Erde aus dem Weltraum III' (Stuttgart 2011).
| EDOC: 19827 |

Scheinert, M.; Schwabe, J.; Eberlein, L.; Dietrich, R.; Barthelmes, F.; Förste, C.; Petrovic, S.; Pflug, H.; Lesur, V.; Gebler, A.; Geiger, A.; Wickert, J.; Beyerle, G.; Semmling, M.; Gerber, T.; Ribó, S.; Rius, A.; Cardellach, E.; Heyde, I.; Meyer, U.; Blindow, N.; Jenett, M.; Markgraf, M.; Rivas, R.; Grillenberger, A. (2011): The Application of the New German 'High Altitude and Long Range Research Aircraft' (HALO) for Airborne Geodesy and Geophysics. 11th International Symposium on Antarctic Earth Sciences (ISAES XI) (Edinburgh 2011).
| EDOC: 17285 |

Scheinert, M.; Schwabe, J.; Eberlein, L.; Dietrich, R.; Barthelmes, F.; Förste, C.; Petrovic, S.; Pflug, H.; Lesur, V.; Gebler, A.; Geiger, A.; Wickert, J.; Beyerle, G.; Semmling, M.; Gerber, T.; Ribó, S.; Rius, A.; Cardellach, E.; Heyde, I.; Meyer, U.; Blindow, N.; Markgraf, M.; Rivas, R.; Grillenberger, A.; Jenett, M. (2011): The Application of the New German 'High Altitude and Long Range Research Aircraft' (HALO) for Airborne Geodesy and Geophysics. 25th IUGG General Assembly (Melbourne 2011).
| EDOC: 17270 |

Semmling, M.; Beyerle, G.; Ge, M.; Wickert, J.; Fabra, F.; Cardellach, E.; Ribo, S.; Rius, A. (2011): Doppler observations and the potential for GNSS-R altimetry. 2nd CNES CCT workshop on passive reflectometry using radiocom space signals (Calais, France 2011).
| EDOC: 17976 |

Wickert, J.; Arras, C.; Bartsch, M.; Beyerle, G.; Bender, M.; Deng, Z.; Dick, G.; Falck, C.; Ge, M.; Gendt, G.; Heise, S.; Michalak, G.; Ramatschi, M.; Schmidt, T.; Semmling, M. (2011): GPS remote sensing: Recent results from GFZ. 25th IUGG General Assembly (Melbourne 2011).
| EDOC: 17376 |

Wickert, J.; Arras, C.; Beyerle, G.; Bender, M.; Dick, G.; Ge, M.; Gendt, G.; Heise, S.; Schmidt, T.; Semmling, M.; Zus, F. (2011): GNSS based Earth Observation: Recent activities at GFZ. APSG Workshop on Space Geodesy and Its Applications for Geosciences and Space Exploitation (Melbourne, Australia 2011).
| EDOC: 17374 |

Wickert, J.; Arras, C.; Beyerle, G.; Falck, C.; Flechtner, F.; Förste, C.; Grunwaldt, L.; Faber [Haser], A.; Heise, S.; Jakowski, N.; Köhler, W.; König, R.; Lühr, H.; Massmann, F.-H.; Meehan, T.; Michalak, G.; Reigber, C.; Schmidt, T.; Zus, F. (2011): In Memoriam CHAMP: The pathfinder for operational GPS radio occultation. 5th FORMOSAT-3 / COSMIC Data Users Workshop & ICGPSRO 2011 (Taipei, Taiwan 2011).
| EDOC: 17212 |

Wickert, J.; Arras, C.; Beyerle, G.; Ge, M.; Flechtner, F.; Healy, S. B.; Heise, S.; Huan, C. Y.; Kuo, B.; Marquardt, C.; Michalak, G.; Jakowski, N.; Schmidt, T.; Semmling, M. (2011): Radio occultation with navigation satellites: Recent results and prospects with Galileo. 3rd Galileo Science Colloquium (Copenhagen 2011).
| EDOC: 17381 |

Wickert, J.; Beyerle, G.; Arras, C.; Falck, C.; Faber [Haser], A.; Heise, S.; Grunwaldt, L.; Koehler, W.; König, R.; Massmann, F.-H.; Michalak, G.; Ramatschi, M.; Schmidt, T.; Zus, F. (2011): Global atmosphere sounding with TerraSAR-X GPS radio occultation: Status and recent results, Poster. 4th TerraSAR-X Science Team Meeting (Oberpfaffenhofen 2011).
| EDOC: 16962 |

Zus, F.; Beyerle, G.; Heise, S.; Schmidt, T.; Wickert, J. (2011): Validation of refractivity profiles derived from METOP and TerraSAR-X open-loop data. 5th FORMOSAT-3 / COSMIC Data Users Workshop and International Conference on GPS Radio Occultation (ICGPSRO) (Taipei, Taiwan 2011).
| EDOC: 17351 |

2010

Arras, C.; Beyerle, G.; Faber [Haser], A.; Heise, S.; Michalak, G.; Schmidt, T.; Semmling, M.; Stosius, R.; Wickert, J.; Zus, F. (2010): Radio occultation at GFZ: Recent activities. GRAS-SAG Meeting, EUMETSAT (Darmstadt 2010).
| EDOC: 15032 |

Heise, S.; Arras, C.; Beyerle, G.; Falck, C.; Faber [Haser], A.; Köhler, W.; Michalak, G.; Schmidt, T.; Wickert, J.; Zus, F. (2010): GPS radio occultation at GFZ: Status and recent results from GRACE. GRACE Science Team Meeting (Potsdam 2010).
| EDOC: 16420 |

Heise, S.; Beyerle, G.; Schmidt, T.; Wickert, J.; Zus, F. (2010): Operational processing of TerraSAR-X radio occultation at GFZ: Status and initial results. General Assembly European Geosciences Union (Vienna, Austria 2010).
| EDOC: 15015 |

Heise, S.; Wickert, J.; Arras, C.; Beyerle, G.; Faber [Haser], A.; Michalak, G.; Schmidt, T.; Zus, F. (2010): GPS radio occultation at GFZ: processing and application. BMBF Geotechnologien Statusseminar: 'Erfassung des Systems Erde aus dem Weltraum III' (Bonn 2010).
| EDOC: 16408 |

Heise, S.; Wickert, J.; Arras, C.; Beyerle, G.; Michalak, G.; Schmidt, T.; Zus, F. (2010): GPS Radio Occultation with CHAMP and GRACE: Climatological applications. BMBF Geotechnologien Statusseminar: 'Erfassung des Systems Erde aus dem Weltraum III' (Bonn 2010).
| EDOC: 16410 |

Rivas, R.; Grillenberger, A.; Markgraf, M.; Stosius, R.; Beyerle, G.; Semmling, M.; Wickert, J. (2010): GSOC'S GNSS-R instrument for the ZOIS Experiment. Workshop on GNSS Reflectometry - GNSS-R'10 (Barcelona 2010).
| EDOC: 16487 |

Scheinert, M.; Schwabe, J.; Dietrich, R.; Barthelmes, F.; Förste, C.; Petrovic, S.; Pflug, H.; Lesur, V.; Gebler, A.; Wickert, J.; Stosius, R.; Beyerle, G.; Semmling, M.; Heyde, I.; Meyer, U.; Blindow, N.; Markgraf, M.; Rivas, R.; Jenett, M.; Geiger, A. (2010): Geoscientific Research with the New German High Altitude and Long Range Research Aircraft (HALO). 2nd International Symposium of the International Gravity Field Service - IGFS (Fairbanks, Alaska 2010).
| EDOC: 16153 |

Schmidt, T.; Heise, S.; Zus, F.; Michalak, G.; Beyerle, G.; Wickert, J.; Faber [Haser], A. (2010): Variability of the upper troposphere and lower stratosphere observed with GPS radio occultation temperatures. GRACE Science Team Meeting (Potsdam 2010).
| EDOC: 16423 |

Schmidt, T.; Heise, S.; Zus, F.; Michalak, G.; Beyerle, G.; Wickert, J.; Faber [Haser], A. (2010): Variability of the upper troposphere and lower stratosphere observed with GPS radio occultation temperatures. AGU 2010 Fall Meeting (San Francisco 2010).
| EDOC: 16494 |

Semmling, M.; Beyerle, G.; Stosius, R.; Wickert, J.; Fabra, F.; Cardellach, E.; Rib´o, S.; Rius, A.; Helm, A.; Yudanov, S.; d’Addio, S. (2010): Reflected GPS L1/L2 observations used for Sea Ice remote sensing and altimetry. AGU 2010 Fall Meeting (San Francisco, USA 2010).
| EDOC: 16497 |

Stosius, R.; Beyerle, G.; Semmling, M.; Helm, A.; Hoechner, A.; Wickert, J.; Lauterjung, J. (2010): Tsunami detection from space using GNSS reflections: results and activities from GFZ. Proceedings, 30th anniversary IGARSS - IEEE International Geoscience and Remote Sensing Symposium (Honolulu, HI, USA 2010), 3047-3050.
| EDOC: 16042 |

Stosius, R.; Beyerle, G.; Semmling, M.; Markgraf, M.; Ribo, S.; Eberlein, L.; Scheinert, M.; Wickert, J. (2010): GNSS-R Mission planning aboard the research aircraft HALO. Workshop on GNSS Reflectometry - GNSS-R'10 (Barcelona 2010).
| EDOC: 16486 |

Wickert, J.; Arras, C.; Beyerle, G.; Faber [Haser], A.; Heise, S.; Michalak, G.; Schmidt, T.; Semmling, M.; Stosius, R.; Zus, F. (2010): GPS remote sensing: Recent results from GFZ. International Beacon Satellite Symposium (Barcelona 2010).
| EDOC: 15021 |

Wickert, J.; Arras, C.; Beyerle, G.; Grunwaldt, L.; Faber [Haser], A.; Heise, S.; Michalak, G.; Schmidt, T.; Semmling, M.; Stosius, R.; Zus, F. (2010): GNSS radio occultation at GFZ: Recent results and activities. OPAC 2010 - Joint OPAC-4 & GRAS SAF Climate Workshop (Graz 2010).
| EDOC: 16067 |

2009

Beyerle, G.; Grunwaldt, L.; Heise, S.; Köhler, W.; Schmidt, T.; Choi, K.-R.; Michalak, G.; König, R.; Rothacher, M.; Wickert, J. (2009): First results from the GPS atmospheric remote sensing experiment TOR aboard TerraSAR-X. General Assembly European Geosciences Union (Vienna, Austria 2009).
| EDOC: 13381 |

Chen, J.; Bender, M.; Beyerle, G.; Dick, G.; Falck, C.; Ge, M.; Gendt, G.; Heise, S.; Ramatschi, M.; Schmidt, T.; Stosius, R.; Wickert, J. (2009): GNSS Activities for Natural Disaster Monitoring and Climate Change Detection at GFZ. 2nd Conference on Earth Observation for Global Changes (EOGC2009) (Chengdu, China 2009).
| EDOC: 13370 |

Heise, S.; Bender, M.; Beyerle, G.; Dick, G.; Gendt, G.; Schmidt, T.; Wickert, J. (2009): Integrated water vapor from IGS ground-based GPS observations: Initial results from a global 5-minute data set. General Assembly European Geosciences Union (Vienna, Austria 2009).
| EDOC: 13380 |

Heise, S.; Beyerle, G.; Grunwaldt, L.; Köhler, W.; Schmidt, T.; Choi, K.-R.; Michalak, G.; König, R.; Rothacher, M.; Wickert, J. (2009): First results from the GPS atmospheric remote sensing experiment TOR aboard TerraSAR-X. 24th Meeting of the ESA/EUMETSAT GNSS Receiver for Atmospheric Sounding Science Advisory Group (GRAS-SAG) (Darmstadt, Germany 2009).
| EDOC: 14694 |

Scheinert, M.; Schabe, J.; Dietrich, R.; Barthelmes, F.; Förste, C.; Petrovic, S.; Pflug, H.; Lesur, V.; Gebler, A.; Geiger, A.; Wickert, J.; Stosius, R.; Beyerle, G.; Semmling, M.; Heyde, I.; Meyer, U.; Blindow, N.; Markgraf, M.; Rivas, R.; Jenett, M. (2009): Geoscientific Research with the New German 'High Altitude and Long Range Research Aircraft' (HALO). International Workshop Aerogravimetry: Technology and Applications (Dresden 2009).
| EDOC: 16167 |

Schmidt, T.; Wickert, J.; Faber [Haser], A.; de la Torre, A.; Alexander, P.; Heise, S.; Beyerle, G. (2009): Observing the upper troposphere and lower stratosphere with GPS radio occultation data: Results from CHAMP, GRACE, TerraSAR-X, and FORMOSAT-3/COSMIC. 4th FORMOSAT-3/COSMIC Data Users Workshop ( Boulder, USA 2009).
| EDOC: 14698 |

Stosius, R.; Beyerle, G.; Helm, A.; Hoechner, A.; Rothacher, M. (2009): Simulation Study on Tsunami Detection from Space Using GNSS-R. General Assembly European Geosciences Union (Vienna, Austria 2009).
| EDOC: 13134 |

Stosius, R.; Beyerle, G.; Hoechner, A.; Wickert, J.; Lauterjung, J. (2009): Simulation Study on Tsunami Detection from Space Using GNSS-Reflectometry Including GALILEO. 2nd International Colloquium - Scientific and Fundamental Aspects of the Galileo Programme, COSPAR Colloquium (Padua, Italy 2009).
| EDOC: 14699 |

Stosius, R.; Helm, A.; Beyerle, G.; Hoechner, A.; Lauterjung, J. (2009): GNSS Reflectometry as Tsunami Detection System from Space: A Simulation Study. Abstracts, Geodätische Woche 2009 (Karlsruhe, Rheinstetten 2009), 76.
| EDOC: 14700 |

Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Chen, J.; Dick, G.; Ge, M.; Heise, S.; Helm, A.; Rothacher, M.; Ramatschi, M.; Schmidt, T.; Stosius, R. (2009): GNSS atmosphere sounding at GFZ : Overview and recent results. International Technical Meeting on GNSS ( (ITM-GNSS) (Beijing 2009).
| EDOC: 13823 |

Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Deng, Z.; Dick, G.; Gendt, G.; Heise, S.; Michalak, G.; Ramatschi, M. (2009): Ground and space based GPS atmosphere sounding: recent results from GFZ. IAG 2009 Scientific Assembly 'Geodesy for Planet Earth' (Buenos Aires, Argentina 2009).
| EDOC: 13822 |

Wickert, J.; Arras, C.; Beyerle, G.; Heise, S.; Jakowski, N.; Rothacher, M.; Schmidt, T.; Stosius, R. (2009): Scientific use of GNSS signals in space. 7. Berliner Symposium zum Thema 'Kleinsatelliten für Erderkundungsaufgaben' (7th IAA Symposium on Small Satellites for Earth Observation) (Berlin 2009).
| EDOC: 13395 |

Wickert, J.; Arras, C.; Brieß, K.; Beyerle, G.; Falck, C.; Grunwaldt, L.; Helm, A.; Herfort, M.; Heise, S.; Köhler, W.; Massmann, F. H.; Michalak, G.; Schmidt, T.; Stosius, R. (2009): GPS radio occultation at GFZ: Recent activities and plans. International Workshop GPS Radio Occultation, NASA/JPL (Pasadena 2009).
| EDOC: 13386 |

2008

Arras, C.; Lee, W.-K.; Wickert, J.; Heise, S.; Beyerle, G.; Schmidt, T.; Rothacher, M.; Jakowski, N. (2008): Electron density profiles obtained with CHAMP/GPS radio occultation measurements: Initial results from GFZ. 37th COSPAR Scientific Assembly (Montreal 2008).
| EDOC: 13115 |

Arras, C.; Lee, W.-K.; Wickert, J.; Heise, S.; Beyerle, G.; Schmidt, T.; Rothacher, M.; Jakowski, N. (2008): Ionospheric electron density profiles obtained with CHAMP/GPS occulation measurements - initial results from GFZ. General Assembly European Geosciences Union (Vienna, Austria 2008).
| EDOC: 11591 |

Arras, C.; Stolle, C.; Jacobi, C.; Wickert, J.; Heise, S.; Beyerle, G.; Schmidt, T.; Rothacher, M. (2008): The global distribution of sporadic E as derived from GPS radio occultation measurements and its variation with the Earth magnetic field. 37th COSPAR Scientific Assembly (Montreal 2008).
| EDOC: 11898 |

Arras, C.; Stolle, C.; Wickert, J.; Jacobi, C.; Heise, S.; Beyerle, G.; Schmidt, T.; Rothacher, M. (2008): Magnetic field signatures in global sporadic E distribution detected with GPS radio occultation measurements. 37th COSPAR Scientific Assembly (Montreal 2008).
| EDOC: 13356 |

Arras, C.; Stolle, C.; Wickert, J.; Jacobi, C.; Heise, S.; Beyerle, G.; Schmidt, T.; Rothacher, M. (2008): The global distribution of sporadic E as derived from GPS radio occultation measurements and its variation with the Earth magnetic field. 4th Asian Space Conference (Taipeh 2008).
| EDOC: 13308 |

Arras, C.; Wickert, J.; Jacobi, C.; Heise, S.; Beyerle, G.; Schmidt, T.; Rothacher, M. (2008): Semidiurnal tidal signature in sporadic E occurrence rates derived from GPS radio occulation measurements at mid-latidutes. 12th International Symposium on Equatorial Aeronomy (ISEA12) (Heraklion, Crete, Greece 2008).
| EDOC: 11586 |

Arras, C.; Wickert, J.; Jacobi, C.; Heise, S.; Beyerle, G.; Schmidt, T.; Rothacher, M. (2008): Sporadic E layer climatology derived from CHAMP, GRACE and COSMIC radio occultations – Initial results from GFZ Potsdam. 4th Asian Space Conference (Taipeh 2008).
| EDOC: 13307 |

Arras, C.; Wickert, J.; Jacobi, C.; Heise, S.; Beyerle, G.; Schmidt, T.; Rothacher, M. (2008): Sporadic E layer climatology derived from CHAMP, GRACE and COSMIC radio occultations – initial results from GFZ Potsdam. 12th International Symposium on Equatorial Aeronomy - ISEA (Heraklion, Crete, Greece 2008).
| EDOC: 13125 |

Beyerle, G.; Arras, C.; Schmidt, T.; Heise, S.; Wickert, J.; Helm, A.; Stosius, R.; Rothacher, M.; Montenbruck, O. (2008): GNSS Remote sensing: An opportunity for ACES. International Workshop 'ACES and Future GNSS-based Earth Observation and Navigation' (Munich 2008).
| EDOC: 11573 |

Helm, A.; Beyerle, G.; Stosius, R.; Montenbruck, O.; Yudanov, S.; Nitschke, M.; Gruber, T.; Hess, M. P.; Wickert, J.; Rothacher, M. (2008): GNSS Reflectometry at GFZ. Workshop on 'ACES and Future GNSS-based Earth Observation and Navigation' (München 2008).
| EDOC: 11557 |

Helm, A.; Beyerle, G.; Stosius, R.; Rothacher, M. (2008): Using reflected Global Navigation Satellite System signals for remote sensing: Some overview. CEOS WGCV Microwave Sensors Sub-group Meeting (Noordwijk 2008).
| EDOC: 10933 |

Helm, A.; Stosius, R.; Montenbruck, O.; Yudanov, S.; Beyerle, G.; Rothacher, M. (2008): Ground-based water level observations at Lake Walchen with reflected GPS L1 C/A and L2C signals. General Assembly European Geosciences Union (Vienna, Austria 2008).
| EDOC: 11250 | Abstract |

Helm, A.; Stosius, R.; Montenbruck, O.; Yudanov, S.; Beyerle, G.; Rothacher, M. (2008): Utilizing ocean reflected GPS L1 C/A and the new GPS L2C signals for tsunami detection from space:possible small satellite constellations and the GORS instrument. International Conference on Tsunami Warning (ICTW) (Bali, Indonesia 2008), 1-8.
| EDOC: 12004 | Abstract | PDF |

Helm, A.; Stosius, R.; Montenbruck, O.; Yudanov, S.; Renaudie, C.; Bender, M.; Dick, G.; Beyerle, G.; Wickert, J.; Rothacher, M. (2008): GNSS-R carrier phase altimetry with GPS L2C signals and status of the GORS and GORS follow-on space receiver prototypes. GNSS-R’08 Workshop on GNSS Reflectometry (Noordwijk 2008).
| EDOC: 12003 | Abstract |

Helm, A.; Wetzel, H.-U.; Michajljow, W.; Mayer, C.; Lambrecht, A.; Hagg, W.; Dudashvili, A.; Beyerle, G.; Rothacher, M. (2008): Using Reflected GPS Signals for the Observation of the Second 2005 Lake Merzbacher GLOF Event. International Workshop 'Glacial Lake Outburst Floods in Central Asia - GLOF' (Bishkek, Kyrgyzstan 2008).
| EDOC: 11498 | Abstract |

Poli, P.; Beyerle, G.; Schmidt, T.; Wickert, J. (2008): Assimilation of GPS radio occulation measurements at Météo-France. ECMWF/GRAS SAF joint workshop on 'The assimilation of GPS radio-occultation (GPS RO) measurements', ECMWF (Reading, UK 2008).
| EDOC: 11576 |

Schmidt, T.; Arras, C.; Beyerle, G.; Heise, S.; Wickert, J.; Rothacher, M. (2008): Trends in the global tropopause estimated from GPS radio occultation data. 37th COSPAR Scientific Assembly (Montreal 2008).
| EDOC: 13117 |

Schmidt, T.; Arras, C.; Beyerle, G.; Heise, S.; Wickert, J.; Rothacher, M. (2008): Trends in the global tropopause estimated from GPS radio occultation data. 37th COSPAR Scientific Assembly (Montreal 2008).
| EDOC: 13298 |

Schmidt, T.; de la Torre, A.; Alexander, P.; Arras, C.; Beyerle, G.; Heise, S.; Llamedo, P.; Wickert, J.; Rothacher, M. (2008): A global analysis of gravity wave activity in the upper troposphere and lower stratosphere region derived from GPS radio occultation data. SPARC 4th General Assembly (Bologna 2008).
| EDOC: 13122 |

Schmidt, T.; de la Torre, A.; Alexander, P.; Arras, C.; Beyerle, G.; Heise, S.; Llamedo, P.; Wickert, J.; Rothacher, M. (2008): Trends in the global tropopause estimated from GPS radio occultation data. SPARC 4th General Assembly (Bologna 2008).
| EDOC: 13123 |

Schmidt, T.; de la Torre, A.; Alexander, P.; Beyerle, G.; Heise, S.; Llamedo, P.; Viehweg, C.; Wickert, J.; Rothacher, M. (2008): A global analysis of gravity wave activity in the upper troposphere and lower stratosphere region derived from GPS radio occultation data. 37th COSPAR Scientific Assembly (Montreal 2008).
| EDOC: 13116 |

Stosius, R.; Helm, A.; Beyerle, G.; Hoechner, A.; Wickert, J.; Rothacher, M. (2008): Simulation of GNSS-R tsunami detection from space applied to the 2004 Sumatra tsunami event. GNSS-R’08 Workshop on GNSS Reflectometry (Noordwijk 2008).
| EDOC: 12649 |

Stosius, R.; Helm, A.; Cardellach, E.; Beyerle, G.; Rius, A.; Rotacher, A. (2008): GNSS reflectometry simulation studies within GITEWS and comparison between simulated and scanned waveforms at Lake Walchen. General Assembly European Geosciences Union (Vienna, Austria 2008).
| EDOC: 11361 |

Svehla, D.; Rothacher, M.; Salomon, C.; Beyerle, G.; Wickert, J.; Helm, A.; Ziebart, M.; Dow, J.; Cacciapuoti, L. (2008): Galileo on board International Space Station and combination with the ACES Mission. 22nd European Frequency and Time Forum (Toulouse, France 2008).
| EDOC: 11561 |

Svehla, D.; Rothacher, M.; Salomon, C.; Beyerle, G.; Wickert, J.; Helm, A.; Ziebart, M.; Dow, J.; Cacciapuoti, L.; Börner, T.; Montenbruck, O.; Rivas, R.; Rius, A.; Cardellach, E.; Gruber, T. (2008): GALILEO on board the International Space Station, the last 5 years. GNSS-R’08 Workshop on GNSS Reflectometry (Noordwijk 2008).
| EDOC: 13126 |

Svehla, D.; Rothacher, M.; Salomon, C.; Wickert, J.; Helm, A.; Beyerle, G.; Ziebarth, M.; Dow, J. (2008): Geodesy Part of the ACES Mission: GALILEO on Board the International Space Station. International Workshop 'ACES and Future GNSS-based Earth Observation and Navigation' (Munich 2008).
| EDOC: 11574 |

Wickert, J.; Arras, C.; Ao, C. O.; Beyerle, G.; Falck, C.; Grunwaldt, L.; Healy, S. B.; Heise, S.; Helm, A.; Huang, C. Y.; Jakowski, N.; König, R.; Mannucci, T.; Mayer, C.; Michalak, G.; Rothacher, M.; Schmidt, T.; Stosius, R.; Tapley, B. (2008): Tapley CHAMP, GRACE, SAC-C, TerraSAR-X/Tandem-X, Science results, status and future prospects. ECMWF/GRAS SAF joint workshop on 'The assimilation of GPS radio-occultation (GPS RO) measurements', ECMWF (Reading, UK 2008).
| EDOC: 11575 |

Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Dick, G.; Heise, S.; Helm, A.; Schmidt, T.; Stosius, R.; Rothacher, M. (2008): Water vapor measurements using GPS: Recent activities at GFZ Potsdam. International PGGM-IAGOS Workshop (Taipeh 2008).
| EDOC: 11587 |

Wickert, J.; Arras, C.; Beyerle, G.; Dick, G.; Heise, S.; Helm, A.; Ramatschi, M.; Schmidt, T.; Stosius, R.; Rothacher, M. (2008): GPS Atmosphere Sounding at GFZ: Overview and comparison of CHAMP data with MOZAIC. International PGGM-IAGOS Workshop (Taipeh 2008).
| EDOC: 11569 |

Wickert, J.; Arras, C.; Beyerle, G.; Falck, C.; Grunwaldt, L.; Helm, A.; Heise, S.; Köhler, W.; König, R.; Michalak, G.; Ramatschi, M.; Rothacher, M.; Schmidt, T.; Stosius, R. (2008): GPS radio occultation: Recent results from GFZ. 4th Asian Space Conference (Taipeh 2008).
| EDOC: 13296 |

Wickert, J.; Arras, C.; Beyerle, G.; Falck, C.; Grunwaldt, L.; Helm, A.; Heise, S.; Köhler, W.; König, R.; Michalak, G.; Ramatschi, M; Rothacher, M.; Schmidt, T.; Stosius, R. (2008): GPS radio occultation: Recent activities at GFZ. 4th Asian Space Conference & FORMOSAT-3/COSMIC International Workshop (Taipei, Taiwan 2008).
| EDOC: 12173 |

Wickert, J.; Beyerle, G.; Arras, C.; Choi, K. R.; Falck, C.; Heise, S.; Grunwaldt, L.; Köhler, W.; Massmann, F. H.; Michalak, G.; Ramatschi, M.; Rothacher, M.; Schmidt, T.; Tapley, B. (2008): GPS radio occultation with TerraSAR-X: Introduction, status and initial results. 3rd TerraSAR-X Science Team Meeting (München 2008).
| EDOC: 13295 |

Wickert, J.; Beyerle, G.; Arras, C.; Choij, K.R.; Falck, C.; Heise, S.; Grunwaldt, L.; Köhler, W.; König, R.; Massmann, F.-H.; Michalak, G.; Ramatschi, M.; Rothacher, M.; Tapley, B. (2008): GPS radio occultation with TerraSAR-X: Introduction, status and initial results. 2nd TerraSAR-X Science Meeting (Oberpfaffenhofen 2008).
| EDOC: 12172 |

2007

Beyerle, G.; Michalak, G.; Schmidt, T.; Wickert, J.; Rothacher, M. (2007): Atmospheric remote sensing using spaceborne GNSS radio occultation: the feasibility of on-board data pre-processing. General Assembly European Geosciences Union (EGU) (Vienna, Austria 2007).
| EDOC: 10200 |

Carsten, U.; Scheinert, M.; Kusche, J.; Boedecker, G.; Hackney, R.; Geiger, A.; Beyerle, G.; Rothacher, M.; Dietrich, R.; Meyer, U.; Steinhage, D. (2007): Geoscientific Earth Observation with HALO in the Aegean region (GEOHALO). General Assembly European Geosciences Union (EGU) (Vienna, Austria 2007).
| EDOC: 10296 |

Helm, A.; Beyerle, G.; Nitschke, M.; Wetzel, H.-U.; Michajljow, W.; Rothacher, M. (2007): Using reflected GPS signals for remote sensing: Introduction and results from recent experiments. Workshop New Earth Observation Techniques for Tsunami Detection and Geohazards Monitoring (Jakarta 2007).
| EDOC: 10917 |

Helm, A.; Beyerle, G.; Stosius, R.; Montenbruck, O.; Yudanov, S.; Rothacher, M. (2007): The GNSS Occultation, Reflectometry and Scatterometry Space Receiver Gors: Current Status and Future Plans Within GITEWS. 1st Colloquium Scientific and Fundamental Aspects of the Galileo Programme (Cité de l’Espace, Toulouse, France 2007).
| EDOC: 10650 | Abstract |

Helm, A.; Montenbruck, O.; Ashjaee, J.; Yudanov, S.; Beyerle, G.; Stosius, R.; Rothacher, M. (2007): GORS - A GNSS Occultation, Reflectometry and Scatterometry Space Receiver. 20th International Technical Meeting of the Satellite Division of The Institute of Navigation - ION GNSS (Fort Worth, Texas, USA 2007), 2011-2021.
| EDOC: 10643 | Abstract |

Helm, A.; Stosius, R.; Beyerle, G.; Montenbruck, O.; Rothacher, M. (2007): Status of GNSS reflectometry related receiver developments and feasibility studies within the German Indonesian Tsunami Early Warning System. IEEE International Geoscience and Remote Sensing Symposium - IGARSS 2007 (Barcelona, Spain 2007), 5084-5087.
| EDOC: 10569 | Abstract | 10.1109/IGARSS.2007.4424005 |

Helm, A.; Stosius, R.; Montenbruck, O.; Asjaee, J.; Yudanov, S.; Beyerle, G.; Rothacher, M. (2007): The GITEWS GNSS Occultation, Reflectometry and Scatterometry Space Receiver GORS. Workshop New Earth Observation Techniques for Tsunami Detection and Geohazards Monitoring (Jakarta 2007).
| EDOC: 10918 |

Helm, A.; Wickert, J.; Beyerle, G.; Schmidt, T.; Heise, S.; Stosius, R.; Sobolev, S. V.; Babeyko, A. Y.; Rothacher, M.; Yudanov, S.; Ashjaee, J.; Chen, R.; Rocken, C. (2007): New GNSS Remote Sensing Opportunities with ACES. ACES IWG Meeting (Paris 2007).
| EDOC: 10934 |

Schmidt, T.; de la Torre, A.; Beyerle, G.; Heise, S.; Viehweg, C.; Wickert, J.; Rothacher, M. (2007): Global analysis of gravity wave potential energy in the lower stratosphere derived from GPS radio occultation data. General Assembly European Geoscience Union (EGU) (Vienna, Austria 2007).
| EDOC: 10189 |

Viehweg, C.; Wickert, J.; Heise, S.; Jacobi, C.; Beyerle, G.; Schmidt, T.; Rothacher, M. (2007): Global distribution of plasma irregularities in the lower ionosphere derived from GPS radio occultation data. General Assembly European Geosciences Union (EGU) (Vienna, Austria 2007).
| EDOC: 10195 |

Wickert, J.; Beyerle, G.; Cheng, F. Z.; Healy, S.; Heise, S.; Michalak, G.; Rocken, C.; Rothacher, M.; Schmidt, T.; Viehweg, C.; Tapley, B. (2007): Global atmospheric sounding using GPS radio occultation: Recent results from CHAMP, GRACE and COSMIC/FORMOSAT-3 (solicited). General Assembly European Geosciences Union (EGU) (Vienna, Austria 2007).
| EDOC: 10199 |

Wickert, J.; Michalak, G.; Schmidt, T.; Beyerle, G.; Falck, C.; Galas, R.; Heise, S.; Healy, S.; Viehweg, C.; Flechtner, F.; Grunwaldt, L.; Köhler, W.; König, R.; Massmann, F.-H.; Offiler, D.; Rhodin, A.; Reigber, C.; Rothacher, M.; Tapley, B. (2007): GPS radio occultation: Operational sounding of the atmosphere with GRACE. General Assembly European Geosciences Union (EGU) (Vienna, Austria 2007).
| EDOC: 10197 |

Wickert, J.; Michalak, G.; Schmidt, T.; Beyerle, G.; Falck, C.; Heise, S.; Viehweg, C.; Flechtner, F.; Grunwaldt, L.; Köhler, W.; König, R.; Massmann, F.-H.; Pingel, D.; Rothacher, M.; Tapley, B. (2007): GPS radio occultation with GRACE: Recent results from GFZ. Joint International GSTM and DFG SPP Symposium (Potsdam 2007).
| EDOC: 10473 |

2006

Heise, S.; Beyerle, G.; Healy, S.; Jakowski, N.; Schmidt, T.; Wickert, J. (2006): Fernerkundung der Erdatmosphäre mit GPS-Radiookkultation. Workshop Neue Erdbeobachtungstechnologien - GITEWS Kick-Off Meeting (Potsdam 2006).
| EDOC: 8935 |

Heise, S.; Wickert, J.; Beyerle, G.; Schmidt, T.; Smit, H.; Cammas, J.-P.; Rothacher, M. (2006): Comparison of water vapour and temperature results from GPS radio occultation aboard CHAMP with MOZAIC aircraft measurements. 3rd General Assembly European Geosciences Union (Vienna, Austria 2006).
| EDOC: 8919 |

Helm, A.; Beyerle, G.; Reigber, C.; Rothacher, M. (2006): Coastal altimetry at the Baltic Sea off-shore Rugen using L1 carrierphase-delay observations of reflected GPS signals at low elevation angles. GNSSR’06 - Workshop on GNSS Reflections (Noordwijk, The Netherlands, 2006), 1-7.
| EDOC: 10667 |

Helm, A.; Beyerle, G.; Reigber, C.; Rothacher, M. (2006): Remote monitoring of the Baltic Sea surface off-shore Rügen by ground-based observations of reflected GPS signals. 3rd General Assembly European Geosciences Union (Vienna, Austria 2006).
| EDOC: 9029 |

Helm, A.; Wetzel, H.-U.; Michajljow, W.; Beyerle, G.; Reigber, C.; Rothacher, M. (2006): Monitoring the 2005 dam failure event of Merzbacher glacier lake with ground-based observations of reflected GPS signals. 3rd General Assembly European Geosciences Union (Vienna, Austria 2006).
| EDOC: 9033 |

Helm, A.; Wetzel, H.-U.; Michajljow, W.; Beyerle, G.; Reigber, C.; Rothacher, M. (2006): Natural hazard monitoring with L1 carrier-phase-delay observations of reflectedGPS signals: The 2005 dam failure event of Merzbacher glacier lake. GNSSR’06 - Workshop on GNSS Reflections (Noordwijk, The Netherlands 2006), 1-8.
| EDOC: 10666 | Abstract |

Schmidt, T.; Beyerle, G.; Heise, S.; Wickert, J.; Rothacher, M. (2006): A climatology of multiple tropopauses from GPS radio occultation data. 3rd General Assembly European Geosciences Union (Vienna, Austria 2006).
| EDOC: 8912 |

Schmidt, T.; Beyerle, G.; Heise, S.; Wickert, J.; Rothacher, M. (2006): Global climatologies of multiple tropopauses and gravity wave activity in the lower stratosphere with a five year GPS radio occultation data set from CHAMP. COST 723 Final Workshop (Sofia, Bulgaria 2006).
| EDOC: 8914 |

Schmidt, T.; Beyerle, G.; Heise, S.; Wickert, J.; Rothacher, M. (2006): Multiple Tropopauses in GPS Radio Occultation Data - a 5 year Climatology. 36th COSPAR Scientific Assembly (Beijing, China 2006).
| EDOC: 9532 |

Schmidt, T.; de la Torre, A.; Beyerle, G.; Heise, S.; Wickert, J.; Rothacher, M. (2006): Global Analysis of Gravity Wave Potential Energy in the upper Troposphere and lower Stratosphere derived from 5 years of GPS Radio Occultation Data. 36th COSPAR Scientific Assembly (Beijing, China 2006).
| EDOC: 9531 |

Wickert, J.; Beyerle, G.; Cheng, F.; Healy, S. B.; Heise, S.; Huang, C. Y.; Michalak, G.; Offiler, D.; Rothacher, M.; Schmidt, T.; Viehweg, Ch.; Tapley, B. (2006): GPS radio occultation: News from CHAMP and GRACE, initial results from COSMIC/Formosat-3 data analysis. AGU 2006 Fall Meeting (San Francisco, USA 2006).
| EDOC: 9569 |

Wickert, J.; Beyerle, G.; Falck, C.; Flechtner, F.; Galas, R.; Grunwaldt, L.; Healy, S.; Heise, S.; Köhler, W.; König, R.; Massmann, F.-H.; Michalak, G.; Offiler, D.; Rhodin, A.; Rothacher, M.; Schmidt, T.; Wergen, W. (2006): Global atmospheric data from CHAMP and GRACE in near-real time. GEOTECHNOLOGIEN Statusseminar 'Observation the system Earth from Space' (Bonn 2006).
| EDOC: 9529 |

Wickert, J.; Beyerle, G.; Heise, S.; Schmidt, T.; Michalak, G.; König, R.; Jakowski, N.; Rothacher, M.; Typley, B. (2006): GPS radio occultation with CHAMP and GRACE: Overview, recent results and outlook to Metop. First EPS/MetOp RAO Workshop (Frascati, Italy 2006).
| EDOC: 8899 |

Wickert, J.; Michalak, G.; Schmidt, T.; Beyerle, G.; Heise, S.; Viehweg, C.; Cheng, C. Z.; Flechtner, F.; Grunwaldt, L.; Healy, S.; König, R.; Massmann, F.-H.; Offiler, D.; Rhodin, A.; Reigber, C.; Rothacher, M.; Tapley, B. (2006): Global atmospheric data from GRACE: First results and status. GRACE Science Team Meeting (San Francisco, USA 2006).
| EDOC: 9568 |

Wickert, J.; Michalak, G.; Schmidt, T.; Beyerle, G.; Heise, S.; Viehweg, Ch.; Aparicio, J.; Cheng, C. Z.; Healy, S. B.; Huang, C. Y.; Ozawa, E.; Offiler, D.; Rothacher, M.; Tapley, B. (2006): GPS radio occultation: Overwiev on CHAMP and GRACE results. FORMASAT-3/COSMIC-Workshop (Taipei, Taiwan 2006).
| EDOC: 9567 |

Wickert, J.; Schmidt, T.; Beyerle, G.; Heise, S.; Tapley, B.; Flechtner, F.; Rothacher, M. (2006): GPS-based atmopsheric sounding with CHAMP and GRACE: Preliminary results of comparative data analysis. 3rd General Assembly European Geosciences Union (Vienna, Austria 2006).
| EDOC: 8916 |

Wickert, J.; Schmidt, T.; Michalak, G.; Healy, S. B.; Beyerle, G.; Falck, C.; Galas, R.; Heise, S.; Köhler, W.; Rothacher, M.; Offiler, D.; Wergen, W. (2006): GPS based atmospheric sounding with CHAMP: near real time provision of occultation data for numerical weather prediction. 3rd General Assembly European Geosciences Union (Vienna, Austria 2006).
| EDOC: 9081 |

2005

Beyerle, G. (2005): Tracking GPS Radio Occultation Signals in the Lower Troposphere: CHAMP Observations and Simulation Studies. GRAS SAF Open Loop Workshop (Elsinore, Denmark 2005).
| EDOC: 7198 |

Beyerle, G.; Schmidt, T.; Michalak, G.; Wickert, J.; Reigber, C. (2005): GPS radio occultation with GRACE: Atmospheric profiling utilizing the zero difference technique. 2nd General Assembly European Geosciences Union (Vienna, Austria 2005).
| EDOC: 7217 |

Heise, S.; Beyerle, G.; Schmidt, T.; Wickert, J. (2005): Tropospheric water vapor retrieval with GPS radio occultationaboard CHAMP. 2nd General Assembly European Geosciences Union (Vienna, Austria 2005).
| EDOC: 7218 |

Helm, A.; Beyerle, G.; Reigber, C.; Rothacher, M. (2005): Remote monitoring of lake level heights by ground-based observations of reflected GPS signals. 2nd General Assembly European Geosciences Union (Vienna, Austria 2005).
| EDOC: 6868 |

Helm, A.; Beyerle, G.; Reigber, C.; Rothacher, M. (2005): Remote monitoring of ocean heights by ground-based observations of reflected GPS signals: 2 case studies. GNSS Reflection Workshop 2005 (Guildford, UK 2005).
| EDOC: 7787 |

Helm, A.; Beyerle, G.; Reigber, C.; Rothacher, M. (2005): Remote monitoring of ocean heights in coastal areas by ground-based observations of reflected GPS signal. 2nd General Assembly European Geosciences Union (Vienna, Austria 2005).
| EDOC: 6869 |

Schmidt, T.; Beyerle, G.; Wickert, J. (2005): Global temperature monitoring of the upper troposphere and lower stratosphere region with GPS radio occultations. IAMAS (Beijing, China 2005).
| EDOC: 7922 |

Schmidt, T.; Wickert, J.; Heise, S.; Beyerle, G.; Rothacher, M. (2005): Global thermal tropopause parameters derived from GPS radio occultations. IAMAS 2005 (Beijing, China, 2005).
| EDOC: 7914 |

Schmidt, T.; Wickert, J.; Heise, S.; Beyerle, G.; Rothacher, M. (2005): Global thermal tropopause parameters derived from GPS radio occultations. IAMAS 2005 (Beijing, China, 2005).
| EDOC: 7916 |

Wickert, J.; Beyerle, G.; Healy, S. B.; Heise, S.; Jakowski, N.; König, R.; Rothacher, M.; Schmidt, T. (2005): GPS based atmospheric sounding with CHAMP: Highlights and recent results of the scientific data analysis. 28th General Assembly of International Union of Radio Science (URSI) (New Dehli, India 2005).
| EDOC: 8321 |

Wickert, J.; Beyerle, G.; Healy, S. B.; Heise, S.; König, R.; Michalak, G.; Rothacher, M.; Schmidt, T. (2005): GPS based atmospheric sounding with CHAMP: Results achieved after four years. EUMETSAT Meteorological Satellite Conference (Dubrovnik, Croatia 2005).
| EDOC: 7923 |

Wickert, J.; Beyerle, G.; Schmidt, T.; Grunwaldt, L.; König, R.; Michalak, G.; Reigber, C. (2005): GPS radio occultation with CHAMP and GRACE: A first look at a new and promising satellite configuration for global atmospheric sounding. 2nd General Assembly European Geosciences Union (Vienna, Austria 2005).
| EDOC: 7216 |

Wickert, J.; Beyerle, G.; Schmidt, T.; Heise, S.; Jakowski, N.; König, R.; Rothacher, M.; Healy, S. B.; Offiler, D.; Wergen, W. (2005): GPS based atmospheric sounding with CHAMP: Recent GFZ activities and results. Second GPS RO Data Users Workshop (Lansdowne, Virginia 2005).
| EDOC: 7925 |

Wickert, J.; Gendt, G.; Jakowski, N.; Beyerle, G.; Heise, S.; Jacobi, C.; Reigber, C.; Schmidt, T. (2005): Ground and space based GPS atmospheric sounding: Introduction and recent results. The International Colloquium on an International Network for Tropical Atmosphere Radar - INTAR (Tirupati, India 2005).
| EDOC: 6239 | Abstract |

Wickert, J.; Schmidt, T.; Beyerle, G.; Heise, S.; Flechtner, F.; Galas, R.; Grunwaldt, L.; König, R.; Massmann, F.-H.; Meehan, T.; Reigber, C.; Rothacher, M.; Tapley, B. (2005): GPS radio occultation with CHAMP and GRACE: Preliminary results. GRACE Science Team Meeting ( Austin, Texas 2005).
| EDOC: 8325 |

Wickert, J.; Schmidt, T.; Beyerle, G.; Heise, S.; Schöllhammer, K.; Reigber, C. (2005): GPS radio occultation with CHAMP: Comparison of vertical refractivity and temperature profiles with radiosonde data. 2nd General Assembly European Geosciences Union (Vienna, Austria 2005).
| EDOC: 7213 |

2004

Beyerle, G.; Helm, A.; Nitschke, M.; Reigber, C. (2004): Altimetry and reflectometry with CHAMP using coherent GPS signal reflections: A feasibility study. Joint CHAMP/GRACE Science Meeting (Potsdam 2004).
| EDOC: 5811 |

Beyerle, G.; König-Langlo, G.; Wickert, J.; Schmidt, T.; Heise, S.; Kaschenz, J. (2004): An analysis of the negative refractivity bias detected in GPS radio occultation data: Results from simulation studies, aerological soundings and CHAMP observations. Joint CHAMP/GRACE Science Meeting (Potsdam 2004).
| EDOC: 6278 | Abstract |

Heise, S.; Wickert, J.; Beyerle, G.; Schmidt, T.; Kaschenz, J.; Healy, S. B.; Reigber, C. (2004): Derivation of Vertical Water Vapor Profiles from GPS Radio Occultation with CHAMP. Joint CHAMP/GRACE Science Meeting (Potsdam 2004).
| EDOC: 6360 | Abstract |

Heise, S.; Wickert, J.; Beyerle, G.; Schmidt, T.; Kaschenz, J.; Healy, S. B.; v. Engeln, A.; Reigber, C. (2004): GPS radio occultation with CHAMP: Operational derivation of vertical water vapor profiles. 1st General Assembly European Geosciences Union (Nice, France 2004).
| EDOC: 6361 | Abstract |

Heise, S.; Wickert, J.; Schmidt, T.; Beyerle, G.; Reigber, Ch. (2004): Atomospheric sounding by GPS measurements aboard CHAMP. International Beacon Satellite Symposium (Trieste, Italy 2004).
| EDOC: 7181 |

Helm, A.; Beyerle, G.; Nitschke, M. (2004): Monitoring lake surface height changes with a ground-based GPS reflectometry receiver. 1st General Assembly European Geosciences Union (Nice, France 2004).
| EDOC: 5847 |

Schmidt, T.; Wickert, J.; Beyerle, G.; Heise, S.; Kaschenz, J.; Reigber, C. (2004): GPS radio occultation with CHAMP: global monitoring of climate change parameters. 35th COSPAR Scientific Assembly (Paris 2004).
| EDOC: 7176 | Abstract |

Schmidt, T.; Wickert, J.; Beyerle, G.; Reigber, C. (2004): GPS radio occultation with CHAMP: An application for climate research. Joint CHAMP/GRACE Science Meeting (Potsdam 2004).
| EDOC: 6287 | Abstract |

Wickert, J.; Beyerle, G.; Schmidt, T.; König, R.; Reigber, C.; Marquardt, C. (2004): Highlights of CHAMP atmospheric occultation results. OIST 4 proceedings, 4th Oersted International Science Team Conference (Copenhagen, Denmark 2002), 235-240.
| EDOC: 5394 |

Wickert, J.; Gendt, G.; Reigber, C.; Beyerle, G.; Dick, G.; Heise, S.; Jacobi, C.; Ramatschi, M.; Rhodin, A.; Schmidt, T.; Tomassini, M.; Wergen, W. (2004): Boden- und satellitengestützte GPS-Meteorologie in Deutschland: Ergebnisse und Ausblick. DACH Meteorologentagung (Karlsruhe 2004).
| EDOC: 6241 |

Wickert, J.; Schmidt, T.; Beyerle, G.; Jakowski, N.; Heise, S.; König, R.; Reigber, C. (2004): Atmospheric sounding using GPS measurements aboard CHAMP - Results achieved and future prospects. 3. COSMIC/ROCSAT Science Meeting (Taoyuan/Taiwan 2004).
| EDOC: 6240 |

Wickert, J.; Schmidt, T.; Beyerle, G.; Jakowski, N.; Heise, S.; König, R.; Reigber, Ch. (2004): Atmospheric sounding using GPS measurements aboard CHAMP and GRACE - Results achieved. 2nd International Workshop on Occultations for Probing Atmosphere and Climate (OPAC-2) (Graz 2004).
| EDOC: 7180 |

Wickert, J.; Schmidt, T.; Beyerle, G.; Jakowski, N.; Heise, S.; Reigber, C.; König, R. (2004): GPS based atmosphere sounding with CHAMP: Overview, results and future prospects. 7th Latin-American Conference on Space Geophysics (Atibaia, São Paulo, Brazil).
| EDOC: 6244 |

Wickert, J.; Schmidt, T.; Beyerle, G.; Reigber, C.; Grunwaldt, L.; König, R.; Galas, R.; Heise, S.; Ramatschi, M. (2004): Three years of space based atmosphere sounding with CHAMP: Results, highlights and future prospects. Joint CHAMP/GRACE Science Meeting (Potsdam 2004).
| EDOC: 6243 |

Wickert, J.; Schmidt, T.; Jakowski, N.; de la Torre, A.; Pavelyev, A.; Jacobi, C.; Beyerle, G.; Heise, S.; Reigber, C. (2004): GPS-basierte Fernerkundung der Atmosphäre mit CHAMP: Anwendungen zur Erkundung der mittleren Atmosphäre und Ionosphäre. DACH Meteorologentagung (Karlsruhe 2004).
| EDOC: 7179 |

2003

Beyerle, G.; Gorbunov, M. E.; Ao, C. O.; Wickert, J.; Schmidt, T.; Reigber, C. (2003): Atmospheric sounding by GPS radio occultation: Simulation Studies and comparisons with observations. EGS-AGU-EUG Joint Assembly (Nice, France 2003).
| EDOC: 6366 | Abstract |

Reigber, C.; Gendt, G.; Wickert, J.; Beyerle, G.; Dick, G.; Galas, R.; König, R.; Ramatschi, M.; Schmidt, T.; Tomassini, M. (2003): Demonstration of GPS atmospheric monitoring from ground and space within the german GASP project. 23rd General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Sapporo, Japan 2003).
| EDOC: 6284 |

Schmidt, T.; Wickert, J.; Beyerle, G.; König, R.; Reigber, C. (2003): GPS Radio Occultation with CHAMP: Applications for Climate Research. EGS-AGU-EUG Joint Assembly (Nice 2003).
| EDOC: 3939 |

Wickert, J.; Ao, C. O.; Schreiner, W. B.; Schmidt, T.; Beyerle, G.; König, R.; Reigber, C.; Hajj, G. A.; Iijima, B. A.; Hunt, D.; Sokolovskiy, S.; Rockern, C. (2003): GPS radio occultation with CHAMP: First comparisons of occultation, Data analysis results from GFZ, JPL and UCAR. EGS-AGU-EUG Joint Assembly (Nice 2003).
| EDOC: 3940 |

Wickert, J.; Beyerle, G.; Schmidt, T.; König, R.; Reigber, C. (2003): GPS Radio occultation with CHAMP: Operational data analysis and validation of vertical atmospheric profiles. Proceedings, SAF Training Workshop (Darmstadt 2003), 116-125.
| EDOC: 5404 |

Wickert, J.; Healy, S. B.; Kaschenz, J.; Beyerle, G.; Schmidt, T.; Reigber, C.; Marquardt, C. (2003): GPS radio occultation with CHAMP: Comparative retrieval and validation of water vapor profiles. EGS-AGU-EUG Joint Assembly (Nice 2003).
| EDOC: 6248 |

Wickert, J.; Schmidt, T.; Beyerle, G.; König, R.; Reigber, C. (2003): GPS radio occultation with CHAMP: Status, results and future prospects of the operational data analysis. URSI F/G Special Symposium on Atmospheric Remote Sensing using Satellite Navigation Systems (Matera, Italy 2003).
| EDOC: 6272 | Abstract |

2002

Beyerle, G.; Gorbunov, M. E.; Marquardt, C.; Reigber, C.; Schmidt, T.; Wickert, J. (2002): Inverting GPS Radio Occultation Data using the Canonical Transform Method: Results from Simulation Studies and CHAMP Observations. 27th General Assembly of the European Geophysical Society (EGS) (Nice 2002).
| EDOC: 6364 | Abstract |

Beyerle, G.; Gorbunov, M. E.; Reigber, C.; Schmidt, T.; Wickert, J. (2002): Detection and analysis of GPS radio occultation signals under multipath conditions: Results from simulation studies. 1st International Workshop on Occultations for Probing Atmosphere and Climate (Graz 2002).
| EDOC: 6365 |

Beyerle, G.; Hocke, K.; Pavelyev, A.G.; Marquardt, C.; Reigber, C.; Schmidt, T.; Wickert, J. (2002): GPS Signal Surface Reflections and Signal Propagation in the Troposphere: First Results from CHAMP Observations. 27th General Assembly of the European Geophysical Society (EGS) (Nice 2002).
| EDOC: 6363 | Abstract |

Marquardt, C.; Beyerle, G.; Healy, S. B.; Schmidt, T.; Wickert, J.; Neumayer, H.; König, R.; Reigber, C. (2002): Variational retrieval of CHAMP radio occultation data. 27th General Assembly European Geophysical Society (EGS) (Nice 2002).
| EDOC: 6336 | Abstract |

Marquardt, C.; Schöllhammer, K.; Schrödter, M.; Tomassini, M.; Beyerle, G.; Schmidt, T.; Wickert, J.; König, R.; Grunwaldt, L.; Reigber, C. (2002): Validation of 1 year of CHAMP radio occultation data. 27th General Assembly European Geophysical Society (EGS) (Nice 2002).
| EDOC: 6335 | Abstract |

Marquardt, C.; Schöllhammer, K.; Wickert, J.; Schmidt, T.; Beyerle, G.; Galas, R.; König, R.; Köhler, W.; Reigber, C. (2002): Tropopause characteristics obtained from CHAMP radio occultation soundings. 27th General Assembly European Geophysical Society (EGS) (Nice 2002).
| EDOC: 6334 |

Schmidt, T.; Marquardt, C.; Wickert, J.; Beyerle, G.; Reigber, C.; Galas, R.; König, R. (2002): GPS radio occultation with CHAMP: An innovative remote sensing method of the atmosphere. 34th COSPAR Scientific Assembly (Houston 2002).
| EDOC: 6288 | Abstract |

Schmidt, T.; Wickert, J.; Marquardt, C.; Beyerle, G.; Reigber, C.; Wehrenpfennig, A. (2002): The near real time data processing system for GPS radio occultation data from CHAMP at GFZ Potsdam. 27th General Assembly of the European Geophysical Society (EGS) (Nice 2002).
| EDOC: 6359 | Abstract |

Wickert, J.; Beyerle, G.; Grunwaldt, L.; König, R.; Meehan, T. K.; Reigber, C.; Schmidt, T. (2002): The CHAMP GPS Occultation experiment: Current Status and Future Prospects. 1st International Workshop on Occultations for Probing Atmosphere and Climate (Graz 2002).
| EDOC: 6302 | Abstract |

Wickert, J.; Beyerle, G.; Hajj, G. A.; Kirchengast, G.; König, R.; Schmidt, T.; Marquardt, C.; Reigber, C. (2002): Space-based single differencing: An alternative approach for CHAMP GPS occultation data processing. 27th General Assembly European Geophysical Society (EGS) (Nice France 2002).
| EDOC: 6327 | Abstract |

Wickert, J.; Beyerle, G.; Hajj, G. A.; Kirchengast, G.; Schmidt, T.; Marquardt, C.; König, R. (2002): Space-based single differencing: An alternative approach for CHAMP occultation processing. First Champ Science Meeting (Potsdam 2002).
| EDOC: 6301 | Abstract |

Wickert, J.; Beyerle, G.; Marquardt, C.; Schmidt, T.; Reigber, C.; König, R.; Grunwaldt, L. (2002): GPS Radio occultation with CHAMP: The first year of the experiment. 27th General Assembly European Geophysical Society (EGS) (Nice France 2002).
| EDOC: 6326 | Abstract |

Wickert, J.; Reigber, C.; Beyerle, G.; Schmidt, T.; Jakowski, N.; Marquardt, C. (2002): GPS Radiookkultationen mit CHAMP - Innovative Fernerkundung der Erdatmosphäre. Geodätische Woche 2002 (Frankfurt/Main 2002).
| EDOC: 6270 | Abstract |

2001

Beyerle, G.; Wickert, J.; Schmidt, T.; Marquardt, C.; Reigber, C. (2001): Observations of temperature and water vapour profiles by GPS radio occultation: activities at GeoForschungsZentrum Potsdam. International Workshop on Wind and Temperature Measurement by Radio and Optical Remote Sensing & The 3rd US/Japan Meeting on Mesopause Gravity Waves and Sprite Studies (Kyoto, Japan 2001).
| EDOC: 6362 |

Igarashi, K.; Armand, N. A.; Pavelyev, A. G.; Reigber, C.; Wickert, J.; Hocke, K.; Beyerle, G.; Matyugov, S. S.; Yakovlev, O. I. (2001): Application of small satellites for high precision measuring effects of radio waver propagation. 3rd IAA Symposium on Small Satellites for Earth Observation (Berlin 2001), 43-48.
| EDOC: 2341 | Abstract |

Marquardt, C.; Beyerle, G.; Wickert, J.; Schmidt, T.; Reigber, C. (2001): Water vapour measurements with GPS radio occultation: First Results from CHAMP. DACH-Meteorologen-Tagung (Vienna, Austria 2001).
| EDOC: 6340 |

Marquardt, C.; Wickert, J.; Beyerle, G.; Schmidt, T.; Reigber, C. (2001): GPS based limb sounding in the stratosphere: First results from CHAMP (germ). DACH-Meteorologen-Tagung (Vienna, Austria 2001).
| EDOC: 6337 |

Schmidt, T.; Wickert, J.; Marquardt, C.; Beyerle, G.; Reigber, C. (2001): Remote Sounding of the atmosphere by using GPS occultation technique with CHAMP. IAMAS Scientific Assembly (Innsbruck, Austria 2001).
| EDOC: 6358 |

Wickert, J.; Beyerle, G.; Galas, R.; Grunwaldt, L.; König, R.; Marquardt, C.; Schmidt, T.; Reigber, C. (2001): GPS Radio Occultation with CHAMP. IGS LEO Pilot Project Meeting (Potsdam 2001).
| EDOC: 6330 |

Wickert, J.; Reigber, C.; Beyerle, G.; König, R.; Marquardt, C.; Schmidt, T.; Meehan, T.; Grunwaldt, L.; Galas, R. (2001): Initial Results of CHAMP Radio Occultation Experiment. AGU Spring Meeting, A31C-08.
| EDOC: 2344 | Abstract |

2000

Marquardt, C.; Wickert, J.; Beyerle, G.; Reigber, C.; Schmidt, T. (2000): GPS based Atmospheric Sounding with Low Earth Orbiters. 2nd SPARC General Assembly, Stratospheric Processes and their Role in Climate.
| EDOC: 2346 |

Reigber, C.; Wickert, J.; Beyerle, G.; Hocke, K.; Marquardt, C.; König, R.; Neumayer, K.-H.; Schmidt, T. (2000): GPS Radio Occultation with CHAMP - Algorithms and Data Processing. 2nd SPARC General Assembly, Stratospheric Processes and their Role in Climate.
| EDOC: 2347 |

Wickert, J.; Galas, R.; Beyerle, G.; Schmidt, T. (2000): Aspekte der Nutzung von GPS Bodenmessungen für das CHAMP Okkultationsexperiment. Geodätische Woche 2000 (Potsdam 2000).
| EDOC: 6269 |

Wickert, J.; Galas, R.; König, R.; Reigber, C.; Beyerle, G. (2000): GPS ground station data for CHAMP radio occultation measurements. IGS Network Workshop (Soria Moria, Oslo, Norway 2000).
| EDOC: 6333 |

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Report

2005

Beyerle, G. (2005): Simulating GPS radio occultation events. Scientific report ; 05-09, Danish Meteorological Institute (DMI), 1-38.
| EDOC: 8335 | www.dmi.dk/dmi... |

2003

Reigber, C.; Beyerle, G.; Grunwaldt, L.; König, R.; Schmidt, T.; Wickert, J. (2003): The Radio Occultation Experiment Aboard the German Satellite CHAMP.
| EDOC: 3994 |

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Miscellaneous

2010

Heise, S.; Wickert, J.; Schmidt, T.; Beyerle, G.; Arras, C.; Bender, M.; Gendt, G.; Dick, G. (2010): GPS-based atmospheric sounding.
| EDOC: 16407 |

2009

Beyerle, G. (2009): GPS-Radiookkultation, GPS-Reflektometrie, GPS-Scatterometrie.
| EDOC: 13322 |

Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Chen, J.; Dick, G.; Ge, M.; Heise, S.; Helm, A.; Rothacher, M.; Ramatschi, M.; Schmidt, T.; Stosius, R. (2009): GNSS atmosphere sounding at GFZ: Overview and recent results.
| EDOC: 13825 |

2008

Heise, S.; Wickert, J.; Schmidt, T.; Beyerle, G.; Arras, C.; Bender, M.; Gendt, G.; Dick, G.; Rothacher, M. (2008): GPS-basierte Atmosphärenfernerkundung.
| EDOC: 11589 |

Heise, S.; Wickert, J.; Schmidt, T.; Beyerle, G.; Arras, C.; Rothacher, M. (2008): Space-based GPS atmospheric sounding.
| EDOC: 11590 |

Helm, A.; Montenbruck, O.; Yudanov, S.; Munder, J.; Beyerle, G.; Rothacher, M. (2008): Enabling Technologies.
| EDOC: 11496 |

Helm, A.; Montenbruck, O.; Yudanov, S.; Munder, J.; Beyerle, G.; Rothacher, M. (2008): The GITEWS Two Frequency Space Receiver Prototype GORS.
| EDOC: 11497 |

Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Dick, G.; Heise, S.; Helm, A.; Ramatschi, M.; Rothacher, M.; Schmidt, T.; Stosius, R. (2008): GNSS Atmosphere Sounding: Recent activities at GFZ Potsdam.
| EDOC: 11565 |

Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Dick, G.; Heise, S.; Helm, A.; Ramatschi, M.; Schmidt, T.; Stosius, R.; Rothacher, M. (2008): GNSS Atmosphere Sounding: Recent activities at GFZ Potsdam.
| EDOC: 11567 |

Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Dick, G.; Heise, S.; Helm, A.; Ramatschi, M.; Schmidt, T.; Stosius, R.; Rothacher, M. (2008): GPS Atmosphere Sounding at GFZ: Overview and recent activities.
| EDOC: 11566 |

Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Dick, G.; Heise, S.; Helm, A.; Schmidt, T.; Stosius, R.; Rothacher, M. (2008): GNSS Atmosphere Sounding: Recent activities at GFZ Potsdam.
| EDOC: 11588 |

2007

Wickert, J.; Bender, M.; Beyerle, G.; Dick, G.; Gendt, G.; Grunwaldt, L.; Heise, S.; Helm, A.; Michalak, G.; Rothacher, M.; Schmidt, T.; Stosius, R.; Viehweg, Ch. (2007): GNSS atmospheric sounding and reflectometry.
| EDOC: 10202 |

2006

Wickert, J.; Beyerle, G.; Dick, G.; Gendt, G.; Heise, S.; Helm, A.; Michalak, G.; Rothacher, M.; Schmidt, T.; Stosius, R.; Viehweg, Ch. (2006): Atmospheric sounding and reflectometry with GNSS.
| EDOC: 10175 |

Wickert, J.; Beyerle, G.; Dick, G.; Gendt, G.; Heise, S.; Helm, A.; Michalak, G.; Schmidt, T.; Viehweg, C. (2006): GNSS basierte Fernerkundung: Visionen, Ideen und Fragen.
| EDOC: 9564 |

2005

Beyerle, G. (2005): GPS radio occultation with GRACE: Atmospheric profiling utilizing the zero difference technique.
| EDOC: 7199 |

Helm, A.; Barthelmes, F.; Beyerle, G.; Bohm, M.; Kaban, M. K.; Magnussen, S.; Reigber, C.; Schwintzer, P.; Schmidt, R.; Schmidt, T.; Schöne, T.; Wickert, J. (2005): Wie hoch sind die Wellen? - Meeres- und Wellenhöhen aus reflektierten GPS-Signalen bestimmen. Kopernikus-Gymnasium.
| EDOC: 10941 |

Helm, A.; Barthelmes, F.; Beyerle, G.; Bohm, M.; Kaban, M. K.; Magnussen, S.; Reigber, C.; Schwintzer, P.; Schmidt, R.; Schmidt, T.; Schöne, T.; Wickert, J. (2005): Wie hoch sind die Wellen? Meer rausholen aus GPS.
| EDOC: 10940 | Abstract |

Helm, A.; Beyerle, G.; Bohm, M.; Michajljow, W.; Reigber, C.; Schwintzer, P.; Schmidt, R.; Schmidt, T.; Schöne, T.; Wetzel, H.-U.; Wickert, J. (2005): Meer rausholen aus GPS. Deutsche Meteorologische Gesellschaft (DMG) ; Geoforschungszentrum Potsdam.
| EDOC: 10938 | Abstract | www.gfz-potsdam.de/new... |

2004

Beyerle, G. (2004): Fernerkundung der Erdatmosphäre mit GPS. Raumfahrt-Traumfahrt, Man & Space - Momente der Fazination.
| EDOC: 7171 |

Beyerle, G. (2004): Sondierung der Atmosphäre und Ionosphäre.
| EDOC: 7172 |

Wickert, J.; Gendt, G.; Schmidt, T.; Beyerle, G.; Heise, S.; Reigber, C.; König, R. (2004): Space and ground based GPS atmosphere sounding.
| EDOC: 6246 |

Wickert, J.; Heise, S.; Gendt, G.; Dick, G.; Beyerle, G.; Schmidt, T. (2004): GPS occultation measurements for LAUTLOS: Validation using CHAMP data.
| EDOC: 6294 |

Wickert, J.; Schmidt, T.; Beyerle, G.; Jakowski, N.; Heise, S.; Reigber, C.; König, R. (2004): GPS based techniques for remote sensing of the Earth's atmosphere.
| EDOC: 7168 |

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