Simosato Obs. ./Geodesy and Geophysics Division, JHD Dr. Kamal A. Abdalla/University of Khartoum Ayelen Acosta/Argentinian National Geographic Institut Jozef Adam/Budapest U. of Tech. and Econ. Mourad Aimar/OCA/Geoazur/GRGS Yuki Akiyama/Japan Aerospace Exploration Agency Abdulaziz Al Sheewen/KACST/Institute of Space Research Khalid Saeed Al-Ghamdi/KACST/Institute of Space Research Dr. Attieh Ali Al-Ghamdi/KACST, Institute of Space Research Dr. Eng. Nasr Al-Sahhaf/KACST Turki Saud Mohammad Al-Saud/Director, Space Research Ins./KACST Fahad Al-Zaaydey/KACST/Institute of Space Research James Allworth/EOS Space Systems Dr. Abdulaziz Alothman/KACST/Nat. Cen, for Geodesy & Navigation Dr. Zuheir Altamimi/IGN/LAREG/Universite Paris Diderot Jun Amagai/NICT Dimitrios Ampatzidis/BKG Ning An/Changchun Observatory, NAOC CAS Florian Andritsch/Astronomical Institute, Univ. of Bern Dr.-Ing. Detlef Angermann/DGFI-TUM Luciano Anselmo/ISTI/CNR/SFDL Dr. Graham Appleby/NERC Space Geodesy Facility David Arnold/. Abdullah ArRajehi/KACST/Space Geodesy Center Iliya Artemov/298680 Simeiz Marcos Avendano/Universidad de Concepcion Theodor Bachem/BKG/Geodaetisches Observatorium Wettzell Kasia Balakier/. Dr. Aldo Banni/Astronomical Observatory of Cagliari Peter Bargewell/Geoscience Australia Dr. Francois Barlier/CERGA/GRGS Jean Pierre Barriot/Tahiti Geodetic Observatory Merlin Barschke/Technische Universitat Berlin Jacek Bartoszak/Space Research Centre of PAS Antonio Basoni/e-GEOS S.p.A, ASI/CGS Matera Massimo Bassan/Dept. di Fisica U. di Roma Tor Vergata Sven Bauer/Helmholtz Centre Potsdam/GFZ Paul Beckwith/MOBLAS-7/Peraton Alexandre Belli/CNRS/OCA, Geoazur-UMR7329 James Bennett/Space Environment Research Centre Johan Bernhardt/KACST/SALRO Jean-Paul Berthias/CNES BPI 1214 Dr. Vladimirs Bespal'ko/Inst. of Electronic and Computer Sci. Srinivas V. Bettadpur/U. of Texas, Center for Space Research Prof. Gerhard Beutler/Astronomical Institute, Univ. of Bern Dr. Giuseppe Bianco/Agenzia Spaziale Italiana (ASI) Matthew Bieneman/LJT & Associates, Inc. Andriy Bilinskyj/Astronomical Obs., Nat. Univ. of L'viv Dr. Ing. Liliane Biskupek/U. of Hannover/Institut fuer Erdmessung Yaroslav Blagodyr/Astronomical Obs., Nat. Univ. of L'viv Dr. Josef Blazej/Czech Technical Univ. in Prague Sandra Blevins/NASA GSFC Dr. Mathis Blossfeld/DGFI-TUM Maceo Blount/MOBLAS-7/Peraton Mark Blundell/Electro Optic Systems Pty Limited Armin Boer/BKG/Universidad de Concepcion Dr. Dale H. Boggs/JPL/Mail Stop 238-600 Jania Boisits/Technische Universität Wien Yuri Bondarenko/Institute of Applied Astronomy Pascal Bonnefond/Observatoire de Paris/SYRTE Dr. Eugene Boole/Inst. of Electronic and Computer Sci. Dr. Roelf Botha/Hartebeesthoek Radio Astronomy Obs. Sebastien Bouquillon/Observatoire de Paris/SyRTE/POLAC Adrien Bourgoin/Dept. Ingegneria Industriale, U. Bologna Goril M. Breivik/Norwegian Mapping Authority Dr. Elmar Brockmann/Swiss Fed. Office of Topography Oscar L. Brogdon/LJT and Assoc. Mark Broomhall/Remote Sensing & Satellite Research Grp. Mr. Nicholas Brown/Geoscience Australia Gene Brownd/. Sara Bruni/University of Bologna Dr. Claudio Brunini/BKG/AGGO Prof. Fritz K. Brunner/Department of Engineering Geodesy Marco Buemi/EUMETSAT Sentinel-6/Jason-CS Franco Buffa/Stazione Astronomica di Cagliari Grzegorz Bury/Wroclaw University Janet Caceres/NASA LRS TLRS-3 Wilberto Canari/NASA LRS TLRS-3 Claudia Carabajal/NASA GSFC/SSAI Tommaso Cardona/Sapienza/Universita di Roma Randall Carman/Geoscience Australia David L. Carter/NASA GSFC Dr. Manuel Catalan/Institute y Observatorio de Marina Luca Cerri/CNES DCT/SB/OR Dr. Julien Chabe/OCA/Geoazur/GRGS Javor Chapanov/Cen. Lab. for Geodesy, Bulgarian Acad. Dennis Chase/Peraton John W. Cheek/NASA GSFC/Hexagon US Federal Juping Chen/Shanghai Obs/Academia Sinica Wanzhen Chen/Shanghai Obs/Academia Sinica Yiqun Chen/John Deere Zhien Cheng/Shanghai Astronomical Observatory Bohui Cheng/Beijing Station Dr. Minkang Cheng/U. of Texas, Center for Space Research Doug Chinn/NASA GSFC/SGT Inc. Eunjung Choi/KASI Paul Christopoulos/KBR Wyle Services LLC Christopher (Bart) Clarke/KBR Wyle Services LLC Glenda Coetzer/Hartebeesthoek Radio Astronomy Obs. John Colley/Geoscience Australia Ludwig Combrinck/Hartebeesthoek Radio Astronomy Obs. Dr. Emiliano Cordelli/ESA/ESOC Space Debris Office Alexandre Couhert/CNES David Coulot/IGN/LAREG/Universite Paris Diderot Dr. Clement Courde/OCA/Geoazur/GRGS Richard H. Crooks/KBR Wyle Services LLC Douglas Currie/Department of Physics Phil Dabney/NASA GSFC Dr. Rolf Dach/Astronomical Institute, Univ. of Bern Dr. John J. Degnan/Sigma Space/Hexagon U.S. Federal Prof. Veronique Dehant/Observatoire Royal de Belgique Dr. Jorge del Pino/Institute of Astronomy, Univ. of Latvia Dr. Florent Deleflie/IMCCE/GRGS Demitris Delikaraoglou/National Technical U. of Athens Simone Dell'Agnello/Istituto Nazionale di Fisica Nucleare Huarong Deng/Shanghai Astronomical Observatory David Denning/Sandia National Laboratories Prof. Dr. Athanasios Dermanis/Aristotle University of Thessalonik Dr. Roberto Devoti/Is. Nazionale di Geofisica e Vulcanolgia Andrey Diakov/Institute of Applied Astronomy Dominic Dirkx/Delft University of Technology Robin Dixon/Peraton Andrew I. Dmytrotsa/298680 Simeiz Craig Dobson/NASA HQ Hiromasa Doi/Japan Aerospace Exploration Agency Xue Dong/Changchun Observatory, NAOC CAS Buddy Donovan/KBR Wyle Services LLC Ted Doroski/Peraton/MOBLAS-4 Dr. John M. Dow/ESA/ESOC Dr. Hermann Drewes/DGFI-TUM Mateusz Drozdzewski/Wroclaw University Peter J. Dunn/NASA GSFC/Hexagon US Federal Konstantin Ebauer/Russian Academy of Sciences Johann Eckl/BKG/Geodaetisches Observatorium Wettzell Dave Essers/Geoscience Australia Maria Etchegoyen/Argentinian National Geographic Institut Keith Evans/JCET/UMBC Pierre Exertier/CNRS/OCA, Geoazur-UMR7329 Cunbo Fan/Changchun Observatory, NAOC CAS Sami Fathallah/NRIAG Ingrid Fausk/Norwegian Mapping Authority Pierre Femenias/ESA/ESRIN EOP-GQ Alejandro Fernandez/Universidad de Concepcion Patrick Ferrick/Town of Webb School Jay L. Finkelstein/. Prof. Frank Flechtner/GFZ German Res. Centre for Geosciences Dr. Rune Floberghagen/ESA/ESRIN Tim Flohrer/ESA/ESOC Space Debris Office Claudia Flohrer/BKG, Department Geodesy Carlos Font/Naval Research Laboratory/Code 8123 Craig Foreman/UH Institute for Astronomy Richard Francis/ESA/ESTEC Gerard Francou/Observatoire de Paris Honglin Fu/Yunnan Observatory Dr. Dagoga M.J. Fubara/Kariala Konsult Nig. Limited Dr. Masayuki Fujita/Hydrographic Dept./Japan Coast Guard Michelle Fulton/Space Environment Research Centre Quirin Funke/ESA/ESOC Yury Galkin/Moscow State Forestry University Dr. Romina Galvan/BKG/AGGO Subramanya Ganesh/ISTRAC/ISRO Jian Gao/Changchun Observatory, NAOC CAS Dr. Yue Gao/Electro Optic Systems Pty Limited Anthony Garcia/MLRS Laser Project Adolfo Garcia-Marin/Yebes Observatory - IGN Dr. Iskander Gayazov/Institute of Applied Astronomy Linda Geisser/Astronomical Institute, Univ. of Bern Ivan Georgiev/Cen. Lab. for Geodesy, Bulgarian Acad. Austin Gerrety/Peraton Vladimir D. Glotov/Russian Mission Control Centre (MCC) Mariano Gomez/NASA LRS TLRS-3 Carlos Gonzalez/HISDESAT Tadahiro Gotoh/NICT Yann Gouy/Airbus Defence and Space Dr. Ramesh Govind/Space Geodesy Analysis Centre (Pty) Ltd Ropesh Goyal/Curtin University of Technology Dr. Ben A. Greene/Electro Optic Systems Pty Limited Jake Griffiths/Naval Center for Space Technology Dr. Richard S. Gross/JPL/Mail Stop 238-332 Dr. Ludwig Grunwaldt/Helmholtz Centre Potsdam/GFZ Cesar Guaitiao/Universidad de Concepcion John Guilfoyle/. Philippe Guillemot/CNES Pengqi Guo/National Astronomical Observatories Xiaozhong Guo/National Astronomical Observatories Tangyong Guo/State Seismological Bureau Ruediger Haas/Onsala Space Observatory Dr. Michael Haefner/BKG/AGGO Joerg Hahn/ESA/ESTEC Bruce Haines/JPL/Mail Stop 238-600 Felipe Hall/KBR Wyle Services LLC Daniel Hampf/DLR Yanben Han/National Astronomical Observatories Xingwei Han/Changchun Observatory, NAOC CAS Xinhua Hao/Institute of Geodesy and Geophysics, CAS Chip Harman/Peraton Kenny T. Harned/McDonald Observatory Dr. Craig Harrison/Geoscience Australia Zhengbin He/Beijing Station John M. Heinick/KBR Wyle Services LLC J. Michael Heinick/KBR Wyle Services LLC Dr. Robert Heinkelmann/Helmholtz Centre Potsdam/GFZ Mohamed Yehya Helali/NRIAG Gunther Herold/BKG/Geodaetisches Observatorium Wettzell Dr. Thomas A. Herring/Mass. Institute of Technology Uwe Hessels/BKG/Geodaetisches Observatorium Wettzell Marco Higueras/NASA LRS TLRS-3 Eric L. Hines/MIT Lincoln Laboratory Evan Hoffman/NASA GSFC Julie E. Horvath/KBR Wyle Services LLC Xiaogong Hu/Shanghai Astronomical Observatory Urs Hugentobler/Technische Universitaet Muenchen Van S. Husson/Peraton Domenico Iacovone/e-GEOS S.p.A Dr. Makram Ibrahim/NRIAG Igor Ignatenko/FSUE VNIIFTRI Dr. Johannes Ihde/BKG Alexander Ipatov/RAS/Institute of Applied Astronomy Ryoma Ishibashi/NEC Corporation Tadashi Ishikawa/Hydrographic Dept./Japan Coast Guard Tadashi Izumi/NICT Dale Jackson/Sandia National Laboratories Prof. Adrian Jaeggi/Astronomical Institute, Univ. of Bern Davis Johnson/Peraton Tom Johnson/National Geospatial-Intelligence Agency Sandy Jones/Geoscience Australia Ok-Chul Jung/KARI Aleksandrs Kalinovskis/Inst. of Electronic and Computer Sci. Jake Kamibayshi/UH Institute for Astronomy Sachiyo Kasho/Japan Aerospace Exploration Agency Dr. Futaba Katsuo/NICT Dr. Janis Kaulins/Institute of Astronomy, Univ. of Latvia Koji Kawai/Hydrographic Dept./Japan Coast Guard Alexander Kehm/DGFI-TUM Dr. Khalil Ibrahim Khalil/NRIAG Young-Rok Kim/KASI Dr. Georg Kirchner/Space Res. Inst., Austrian Acad. of Sci. Andre Kloth/DiGOS Potsdam GmbH Jan Kodet/BKG/Geodaetisches Observatorium Wettzell Dr. Rolf Koenig/GFZ German Res. Centre for Geosciences Daniel Koenig/BKG Franz Koidl/Space Res. Inst., Austrian Acad. of Sci. Prof. Hannu Koivula/Finnish Geospatial Research Institute Yuri L. Kokurin/s. Katzively Bogdan Kotur/Astronomical Obs., Nat. Univ. of L'viv Sandro Krauss/Austrian Academy of Sciences Toshihiro Kubo-oka/NICT Daniel Kucharski/University of Texas at Austin Dirk Kuijper/ESA/ESOC Hiroo Kunimori/NICT Piotr Kupiszewski/Norwegian Mapping Authority Vladislav Kurbasov/s. Katzively Dr. Sergey Kuzin/Inst. of Astron./RAS, Space Geodesy Dept Magdalena Kuzmicz-Ceslak/JCET/UMBC Jason Laing/Peraton Dr. Pierre Lauber/Astronomical Institute, Univ. of Bern Olivier Laurain/OCA/CERGA Christophe Le Poncin Lafitte/Observatoire de Paris/SyRTE/POLAC Sang-Hyun Lee/SaTReC, KAIST Jiyun Lee/HEPL Andreas Leidig/BKG/Geodaetisches Observatorium Wettzell Pawel Lejba/Space Research Centre of PAS Frank G. Lemoine/NASA GSFC Dr. Rongwang Li/Yunnan Observatory Keith Li/Electro Optic Systems Pty Ltd Yuqiang Li/Yunnan Observatory Dr. Zhulian Li/Yunnan Observatory Xin Li/Inst. of Seismology, CEA Zhipeng Liang/Changchun Observatory, NAOC CAS Hyung-Chul Lim/KASI Chengzhi Liu/Changchun Observatory, NAOC CAS Weidong Liu/National Astronomical Observatories James L. Long/NASA GSFC Dr. Jose A. Lopez-Perez/Yebes Observatory - IGN David M. Lucchesi/IAPS/INAF, Gravitazione Sperimentale Dr. Marco Lucente/IAPS/INAF, Gravitazione Sperimentale Dr. Vincenza Luceri/e-GEOS S.p.A, ASI/CGS Matera Francis G. Lundy/Joint Space Operations Center/SSD Orlando Luongo/Istituto Nazionale di Fisica Nucleare Scott Luthcke/NASA GSFC Mike Maberry/UH Institute for Astronomy Carmelo Magnafico/IAPS/INAF, Gravitazione Sperimentale Tshepo Makate/Hartebeesthoek Radio Astronomy Obs. Dr. Zinovy Malkin/Pulkovo Observatory Stephen Malys/National Geospatial-Intelligence Agency Anthony Mann/KBR Wyle Services LLC G. Manoussakis/National Technical U. of Athens Dr. Maria Mareyen/BKG Herve Mariey/OCA/Geoazur/GRGS Jens Martin/ESA/ESOC Dr. Gregoire Martinot-Lagarde/OCA/Geoazur/GRGS Kostiantyn Martyniuk-Lototsky/Astronomical Obs., Nat. Univ. of L'viv Sergey Martynov/RPC PSI Uriy Martyshin/298680 Simeiz B.A. Massinas/National Technical U. of Athens Franz-Heinrich Massmann/GFZ German Res. Centre for Geosciences Takehiro Matsumoto/Japan Aerospace Exploration Agency Yoshihiro Matsumoto/Hydrographic Dept./Japan Coast Guard Junko Matsuyama/NEC Corporation Nicolas Maurice/OCA/Geoazur/GRGS Dennis McCollums/Cybioms Corp. Jan F. McGarry/NASA GSFC Dr. Mikhail Medvedskij/252650 Ukraine Virgilio Brito Mendes/Dept. de Matematica, Univ. de Lisboa Wendong Meng/Shanghai Astronomical Observatory Laurent Mercier/Tahiti Geodetic Observatory Stephen Merkowitz/NASA GSFC Dr. Stelios Mertikas/Technical University of Crete Dr. Ulrich Meyer/Astronomical Institute, Univ. of Bern Patrick Michael/NASA GSFC Piotr Michalek/Space Research Centre of PAS Paraskevas Milas/National Technical U. of Athens Aum Niranjana Mishra/Technische Universitat Berlin Vladimir Mitrikas/Russian Mission Control Centre Andrew Mollner/Aerospace Corporation Eric Mondal/KBR Wyle Services LLC Dr. Chris Moore/Electro Optic Systems Pty Ltd Dr. Philip Moore/University of Newcastle Victor Mora/Universidad de Concepcion William Moralo/Hartebeesthoek Radio Astronomy Obs. Marco Muccino/Istituto Nazionale di Fisica Nucleare Dr. Ing. Juergen Mueller/U. of Hannover/Institut fuer Erdmessung Hans Christian Munthe-Kass/Norwegian Mapping Authority Leonardo Mureddu/Astronomical Observatory of Cagliari Tom Murphy/UCSD/CASS/0424 Olga Nagornuk/298680 Simeiz Yuto Nakamura/Hydrographic Dept./Japan Coast Guard Shinichi Nakamura/Japan Aerospace Exploration Agency Jyri Naranen/Finnish Geospatial Research Institute Vicente Navarro/ESA/ESAC, Camino Bajo del Castillo s/n Daniel Navarro-Reyes/ESA/ESTEC Alice Nelson/KBR Wyle Services LLC Dr. Reinhart Neubert/. Dmitriy Neyachenko/298680 Simeiz Andrew Nicholas/Naval Research Laboratory/Code 7669 Marisa Nickola/Hartebeesthoek Radio Astronomy Obs. Joelle Nicolas/ESGT, Universite du Maine Giuseppe Nicoletti/e-GEOS S.p.A Dr. George Nicolson/Hartebeesthoek Radio Astronomy Ron Noomen/Delft University of Technology Dr. Axel Nothnagel/Technical University of Vienna Dr. Antonin Novotny/Czech Technical Univ. in Prague Dr. Nazar M.S. Numan/Mosul University Daniel J. O'Gara/UH Institute for Astronomy Emmanuel Oben/Peraton Koji Ohi/NICT Kazuyoshi Oichi/Hydrographic Dept./Japan Coast Guard Thomas Oldham/LJT and Assoc. Valery Olifirov/Institute of Applied Astronomy Jon V. Osborn/Aerospace Corp./Navigation Div. Per Erik Ospeth/Norwegian Mapping Authority Toshimichi Otsubo/Hitotsubashi University Michiel Otten/ESA/ESOC Jack Paff/Geoscience Australia Roland Pail/Technische Universitaet Muenchen Mauro Pantaleoni/EUMETSAT Dimitrios Paradeisis/National Technical U. of Athens Michele Paradiso/e-GEOS S.p.A Carmen Pardini/ISTI/CNR/SFDL Dr. Natalia Parkhomenko/RPC PSI Vladimir Pasynkov/RPC PSI Dr. Sergey Pasynok/IMVP VNIIFTRI Donald Patterson/KBR Wyle Services LLC Dr. Erricos C. Pavlis/JCET/UMBC Dmitry Pavlov/RAS/Institute of Applied Astronomy Dr. Antonio Pazos/Institute y Observatorio de Marina Dr. Michael R. Pearlman/CfA Bibo Peng/Institute of Geodesy and Geophysics, CAS Roberto Peron/IAPS/INAF, Gravitazione Sperimentale Dr. Heike Peter/PosiTim UG James Petruzzi/UH Institute for Astronomy Benjamin R. Phillips/NASA HQ Duy-Ha Phung/Geoazur/Observatoire de la Cote d'Azur Fabrizio Piergentili/Sapienza/Universita di Roma Dr. Martin Ploner/ASA Astrosysteme GmbH Alexander Polyakov/298680 Simeiz Luca Porcelli/Istituto Nazionale di Fisica Nucleare Christopher Potter/NERC Space Geodesy Facility Prof. Markku Poutanen/Finnish Geospatial Research Institute Dr. Ivan Prochazka/Technical University of Prague Giuseppe Pucacco/Dept. di Fisica U. di Roma Tor Vergata Feng Qu/Beijing Station Ismail Rahimov/Institute of Applied Astronomy Arttu Raja-Halli/Finnish Geospatial Research Institute Rob Ratkowski/UH Institute for Astronomy Franck Reinquin/CNES/GRGS Sergei Revnivych/Russian Mission Control Centre Jean-Yves Richard/Observatoire de Paris/SyRTE/GRGS Dr. Bernd Richter/BKG Randall L. Ricklefs/University of Texas at Austin/CSR Wolfgang Riede/DLR Stefan Riepl/BKG/Geodaetisches Observatorium Wettzell Paul Ries/JPL/Mail Stop 238-332 John C. Ries/U. of Texas, Center for Space Research Pier Luigi Righetti/EUMETSAT John W. Robbins/SGT Inc. Kevynn Rodriguez/NASA LRS TLRS-3 Dr. Jose Rodriguez/Yebes Observatory - IGN Mr. David Rodriguez Collantes/Real Instituto y Observatorio Armada Markus Rothacher/Inst. of Geodesy and Photogrammetry Dave Rowlands/NASA GSFC Dr. Sergij Rudenko/DGFI-TUM Dr. J. M. Rueger/Univ. of New South Wales Dr. Alexander Rybakov/Inst. of Electronic and Computer Sci. Dr. Mikhail Sadovnikov/RPC PSI Takushi Sakamoto/Japan Aerospace Exploration Agency Kalvis Salmins/Institute of Astronomy, Univ. of Latvia Jaime Fernandez Sanchez/GMV S.A. Mr. Manuel Angel Sanchez-Piedra/Real Instituto y Observatorio Armada Dr. Marcelo C. Santos/University of New Brunswick David Sarrocco/e-GEOS S.p.A, ASI/CGS Matera Mariko Sato/Hydrographic Dept./Japan Coast Guard Christian Schade/BKG/Geodaetisches Observatorium Wettzell Ewan Schafer/DLR Remko Scharroo/NOAA/Laboratory for Satellite Altimetry Francesco Schiavone/ASI/CGS Prof. Thomas Schildknecht/Astronomical Institute, Univ. of Bern Dr. Stanislaw Schillak/Space Research Centre of PAS Dr. Anja Schlicht/Technische Universitaet Muenchen Matthias Schoenberger/BKG/Geodaetisches Observatorium Wettzell Erik Schoenemann/ESA/ESOC Ernst Schrama/Delft University of Technology Dr. Ulrich Schreiber/BKG/Geodaetisches Observatorium Wettzell Patrick Schreiner/GFZ German Res. Centre for Geosciences Torben Schueler/BKG/Geodaetisches Observatorium Wettzell Christian Schwatke/DGFI-TUM Ron Sebeny/Peraton/MOBLAS-4 Manuela Seitz/DGFI-TUM Fan Shao/Shanghai Astronomical Observatory Israel Shapira/. Dr. Victor Shargorodsky/RPC PSI Dr. Peter J. Shelus/University of Texas at Austin/CSR Ming Shen/National Astronomical Observatories Robert Sherwood/NERC Space Geodesy Facility Glenn Shirtliffe/JPL/Mail Stop 264-355 Toby Shoobridge/NERC Space Geodesy Facility Vladimir Shpilevsky/Institute of Applied Astronomy Dr. C. K. Shum/Ohio State U./School of Earth Sciences Nadia Shuygina/Institute of Applied Astronomy Ant Sibthorpe/JPL/Mail Stop 238-600 Christian Siemes/Delft University of Technology Dr. Giampiero Sindoni/Sapienza Universita di Roma Reed Smith/Naval Research Laboratory/Code 8123 Dr. David E. Smith/NASA GSFC Victoria Smith/NERC Space Geodesy Facility Dr. Craig Smith/Electro Optic Systems Pty Ltd Dr. Krzysztof Snopek/GFZ German Res. Centre for Geosciences Andrey Sokolov/RPC PSI Qingli Song/Changchun Observatory, NAOC CAS Krzysztof Sosnica/Wroclaw University David Spencer/The Planetary Society Tim Springer/ESA/ESOC Dr. Alexander Stadnik/Kharkov Military University Jens Steinborn/DiGOS Potsdam GmbH Dr. Michael Steindorfer/Space Res. Inst., Austrian Acad. of Sci. Dr. Tomasz Suchodolski/Space Research Centre of PAS Andreja Susnik/NERC Space Geodesy Facility Christopher Szwec/MOBLAS-7/Peraton Daniel Tabiri/University of Bonn Kai Tang/Shanghai Astronomical Observatory Leif Morten Tangen/Norwegian Mapping Authority Dr. Byron D. Tapley/U. of Texas, Center for Space Research Daniela Thaller/BKG Linda Thomas/NRL, Code 8123 Lic. Florencia Toledo/BKG/AGGO Jean-Marie Torre/Observatoire de la Cote D'Azur Mark H. Torrence/SGT Inc. Cedric Tourain/CNES Jeffrey Tracey/U.S. Naval Observatory Ken Tribble/MOBLAS-7/Peraton Vladimir Tryapitsin/s. Katzively Lori Tyahla/NASA GSFC/KBRWyle Maik Uhlemann/Helmholtz Centre Potsdam/GFZ Tushar Ujla/MOBLAS-7/Peraton Jorge Valverde/NASA LRS TLRS-3 Dr. Tonie Van Dam/University of Luxembourg Jose van den IJssel/Delft University of Technology Danny Van Loon/Delft University of Technology Beatriz Vaquero/Yebes Observatory - IGN Dr. Thomas Varghese/Cybioms Corp. Prof. Vladimir P. Vasiliev/RPC PSI Dr. Michael Vasilyev/Institute of Applied Astronomy Margarita Vei/GFZ German Res. Centre for Geosciences Dr. Franco Vespe/ASI-Centro Geodesia Spaziale Anatoliy Vid'machenko/Main Astronomical Observatory of the NAS Omar Baltazar Vilchis Mariscal/Universidad de Guadalajara Paolo Villoresi/University of Padua Herve Viot/OCA/Geoazur/GRGS Massimo Visco/IAPS/INAF, Gravitazione Sperimentale Vishnu Viswanathan/NASA GSFC/UMD Alexandr Volvach/298680 Simeiz Axel Von Engeln/EUMETSAT Dr. Jan Vondrak/Astronomical Inst., Academy of Sciences Yannick Vota/Tahiti Geodetic Observatory Paul Wagner/DLR Jean-Marc Walter/CNES Lin Wang/BKG Xiaoya Wang/Shanghai Astronomical Observatory Peiyuan Wang/Space Res. Inst., Austrian Acad. of Sci. Shun-ichi Watanabe/Hydrographic Dept./Japan Coast Guard Frank H. Webb/JPL/Mail Stop 238-600 Robert Weber/Technical University of Vienna Zibin Wei/Beijing Station Dr. Matthias Weigelt/BKG Stefan Weisheit/Helmholtz Centre Potsdam/GFZ Dr. Jan Weiss/UCAR Guanyu Wen/Changchun Observatory, NAOC CAS Scott L. Wetzel/KBR Wyle Services LLC Jerry Wiant/MLRS Laser Project Matthew Wilkinson/NERC Space Geodesy Facility David Wilkison/KBR Wyle Services LLC Dr. James G. Williams/JPL/Mail Stop 238-600 Michael Wilson/Geoscience Australia Keith Wilson/JPL/Mail Stop 161-135 Harald Wirnsberger/Austrian Academy of Sciences Justine Woo/NASA GSFC/SSAI Dr. Roger Wood/NERC Space Geodesy Facility Zhibo Wu/Shanghai Astronomical Observatory Janet Wu/JPL/Mail Stop 161-135 Bin Wu/Shanghai Astronomical Observatory Yaoheng Xiong/Yunnan Observatory Datao Yang/National Astronomical Observatories Manuel Yanyachi/NASA LRS TLRS-3 Raul Yanyachi/NASA LRS TLRS-3 Prof. Yaroslav S. Yatskiv/GAOUA Xiyan Ying/Yunnan Observatory Yusuke Yokota/Hydrographic Dept./Japan Coast Guard Dr. Zizung Yoon/Technische Universitat Berlin Kazuhiro Yoshikawa/Japan Aerospace Exploration Agency Dr. Taizoh Yoshino/Mitsubishi/QZS Sys. Engineering Center Thomas W. Zagwodzki/NASA GSFC Radoslaw Zajdel/Wroclaw University Mikhail Zakhvatkin/Keldysh Institute of Applied Mathematics Rene Zandbergen/ESA/ESOC Stanislaw Zapasnik/Space Research Centre of PAS Nikita Zelensky/SGT Inc. Haitao Zhang/Changchun Observatory, NAOC CAS Haifeng Zhang/Shanghai Data Center Zhongping Zhang/Shanghai Data Center Chunmei Zhao/Beijing Station You Zhao/National Astronomical Observatories Guohai Zhao/Changchun Observatory, NAOC CAS Xiangming Zheng/Yunnan Observatory Dr. Aleksandr Zhukov/RPC PSI (PNBS Branch Office) Marek Ziebart/University College London Michail Zinkovsky/Russian Mission Control Centre Tong Zou/Inst. of Seismology, CEA Updated: 14-May-2024 08:00:24