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THE DORIS PILOT EXPERIMENT

THE DORIS PILOT EXPERIMENT. G. Tavernier (CNES) K. Larson (Un. Colorado) C. Noll (GSFC/CDDIS) J. Ries (UTEX/CSR) L. Soudarin (CLS) P. Willis (IGN/LAREG). DORIS Pilot Experiment. 4 techniques contributing to the IERS International Services I.G.S. I.L.R.S. I.V.S.

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THE DORIS PILOT EXPERIMENT

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  1. THE DORIS PILOT EXPERIMENT G. Tavernier (CNES) K. Larson (Un. Colorado) C. Noll (GSFC/CDDIS) J. Ries (UTEX/CSR) L. Soudarin (CLS) P. Willis (IGN/LAREG)

  2. DORIS Pilot Experiment • 4 techniques contributing to the IERS • International Services • I.G.S. • I.L.R.S. • I.V.S. • IUGG, July 1999, Birmingham • CSTG Executive Committee and IERS Directing Board • DORIS Pilot Experiment • Call for Participation : 09/99

  3. OBJECTIVES • Assess the need and feasibility of anInternational DORIS Service • at least 2 global Data Centers (2 countries) • products to be initially considered • operational nature of the Central Bureau • opportunities : new stations and additional receivers

  4. Directing Board Satellites(C.C.) Central Bureau Data Centers Stations Sel. Group IERS Dir. Board Analysis W. Group Formats W. Group Analysis Centers Network THE STRUCTURE Users CSTG Exec. Com. Analysis Coordinator data products Data Flow Coordinator

  5. Future IDS Elements • Transmitting stations • On-board packages • Data Centers • archive and distribute data and products • Analysis Centers • products • intercomparisons • combined solutions • Central Bureau • coordination • management • Directing Board • policies • directives • Associate Members • Corresponding Members

  6. Analysis Centers products • High accuracy ephemerides • Stations coordinates andvelocities (ITRF) • Earth rotation results • Ionospheric information • Time varying geocentercoordinates • Earth’s gravity field • Data flow coordinator • Analysis coordinator • Working groups • Intercomparisons • and quality checks • Combined solution

  7. Steering Committee • Gilles Tavernier CNES Gilles.Tavernier@cnes.fr • Chairperson • Carey Noll NASA GSFC noll@cddis.gsfc.nasa.gov • Data Flow coordinator • John Ries University of Texas CSR ries@csr.utexas.edu • Data and Products formats Working Group Chairperson • DORIS representative to IERS • Laurent Soudarin CLS Laurent.Soudarin@cls.fr • Pascal Willis IGN LAREG pascal.willis@ensg.ign.fr • DORIS representative to IERS • Kristine Larson University of Colorado kristrine.larson@colorado.edu • Stations Selection Group Chairperson

  8. Data and Products formats Working Group • John Ries University of Texas CSR USA • Chairperson • Jean-Paul Berthias CNES France • Werner Gurtner University of Bern Switzerland • Carey Noll NASA GSFC USA • Pascal Willis IGN LAREG France • Jean-Jacques Valette CLS France • Formats • Measurements and ancillary data • products

  9. Stations Selection Group • Kristine Larson University of Colorado USA • Chairperson • Scientists involved in various applications • DORIS SIMB representative • Site criteria • International Space Geodetic and Gravimetric Network - ISGN • DORIS SIMB (system specificity) • Proposals analysis / criteria • List of stations / available beacons

  10. Proposals • Central Bureau: • CNES / CLS / IGN - France Gilles Tavernier • http://ids.cls.fr/welcome.html • Data Centers : • NASA GSFC CDDIS - USA Carey Noll • http://cddisa.gsfc.nasa.gov/cddis_welcome.html • IGN Pascal Willis • http://lareg.ensg.ign.fr/DORIS

  11. Proposals • Analysis Centers: • AUSLIG Australia Ramesh Govind • CNES France Jean-Paul Berthias • CSR The Univ. of Texas at Austin USA John Ries • ESA ESOC Darmstadt Germany John Dow • Geodetic Observatory Pecny Czech Republic Jan Kostelecky • IAA St Petersbourg Russia George Krasinsky • IGN LAREG France Pascal Willis • INASAN Moscow Russia Suriya Tatevian • LEGOS-GRGS / CLS Toulouse France Jean-François Crétaux • Royal Observatory of Belgium Belgium René Warnant

  12. SPOT2 TOPEX-POSEIDON SPOT3 ENVISAT1 SPOT4 JASON1 SPOT5 PLEIADES Precise Orbit CRYOSAT Precise Beacon Location Gravity field ACES Earth rotation Navigation Proposals 90 91 92 93 94 95 96 97 98 99 2000 01 02 03 04 05 06 07

  13. Proposals • Existing Stations (54) • Orbitography Network CNES/IGN - France Hervé Fagard • Yarragadee, Mount Stromlo AUSLIG - Australia Ramesh Govind • Badary, IAA - Russia Zinovy Malkin • Kauai, Fairbanks NASA GSFC - USA John Bosworth • Metsahovi, Finnish Geodetic Institute - Finland Matti Paunonen • Syowa, National Institute of Polar Research - Japan Kazuo Shibuya

  14. New stations proposals • Australia, Antartica AUSLIG - Australia Ramesh Govind • Brussels, Royal Observatory of Belgium René Warnant • Dome C, Antartica - France Christian Vincent • Grasse, Ajaccio - France Pierre Exertier • Gavdos TU Crete - Greece Stelios Mertikas • Greenbelt NASA GSFC - USA John Bosworth • Herstmonceux - UK Phil Moore • Iran Faramarz Nilforoushan

  15. New stations proposals • Irkutsk VS NIIFTRI - Russia Vjacheslav Zalutsky • Pecny Geodetic Observatory - Czech Rep. Jaroslav Simek • San Fernando - Spain Jose Martin Davila • Svetloe, Zelenchukskaya , IAA - Russia Zinovy Malkin • Terra Nova Bay - Italy/Antartica Alessandro Capra • Warsaw University of Technology - Poland Janusz Sledzinski • Wetzel, TIGO - Germany Wolfgang Schlueter • Wousi - New Hebrides Stéphane Calmant

  16. Planned activity • Central Bureau • Website • Data Centers • available measurements comparison • ancillary information • Data flow coordinator • Formats Working Group • Analysis Centers / Analysis coordinator • Stations Selection Group • Steering Committee • statutes of the future Directing Board

  17. Web server • http://ids.cls.fr/welcome.html

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