The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 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)
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 2 DORIS Pilot Experiment ê4 techniques contributing to the IERS êInternational Services l I.G.S. l I.L.R.S. l I.V.S. êIUGG, July 1999, Birmingham l CSTG Executive Committee and IERS Directing Board l DORIS Pilot Experiment êCall for Participation : 09/99
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 3 OBJECTIVES êAssess the need and feasibility of an International DORIS Service l at least 2 global Data Centers (2 countries) l products to be initially considered l operational nature of the Central Bureau l opportunities : new stations and additional receivers
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 4 THE STRUCTURE Users Central Bureau Analysis Centers Data Centers Network Satellites (C.C.) Stations Sel. Group Directing Board IERS Dir. Board data products Analysis W. Group Formats W. Group Data Flow Coordinator Analysis Coordinator CSTG Exec. Com.
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 5 Future IDS Elements êTransmitting stations êOn-board packages êData Centers l archive and distribute data and products êAnalysis Centers l products l intercomparisons l combined solutions êCentral Bureau l coordination l management êDirecting Board l policies l directives êAssociate Members êCorresponding Members
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 6 Analysis Centers products êHigh accuracy ephemerides êStations coordinates and velocities (ITRF) êEarth rotation results êIonospheric information êTime varying geocenter coordinates êEarth’s gravity field êData flow coordinator êAnalysis coordinator êWorking groups êIntercomparisons êand quality checks êCombined solution
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 7 Steering Committee êGilles Tavernier Chairperson êCarey Noll NASA GSFC Data Flow coordinator êJohn Ries University of Texas CSR Data and Products formats Working Group Chairperson DORIS representative to IERS êLaurent Soudarin CLS êPascal Willis IGN LAREG DORIS representative to IERS êKristine Larson University of Stations Selection Group Chairperson
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 8 Data and Products formats Working Group êJohn Ries University of Texas CSR USA Chairperson êJean-Paul Berthias CNES France êWerner Gurtner University of BernSwitzerland êCarey Noll NASA GSFC USA êPascal Willis IGN LAREGFrance êJean-Jacques Valette CLSFrance êFormats l Measurements and ancillary data l products
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 9 Stations Selection Group êKristine Larson University of Colorado USA Chairperson êScientists involved in various applications êDORIS SIMB representative êSite criteria l International Space Geodetic and Gravimetric Network - ISGN l DORIS SIMB (system specificity) êProposals analysis / criteria êList of stations / available beacons
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 10 Proposals êCentral Bureau: l CNES / CLS / IGN - FranceGilles Tavernier F êData Centers : l NASA GSFC CDDIS - USA Carey Noll F l IGNPascal Willis F
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 11 Proposals êAnalysis Centers: l AUSLIGAustraliaRamesh Govind l CNESFranceJean-Paul Berthias l CSR The Univ. of Texas at AustinUSAJohn Ries l ESA ESOC DarmstadtGermanyJohn Dow l Geodetic Observatory PecnyCzech RepublicJan Kostelecky l IAA St PetersbourgRussiaGeorge Krasinsky l IGN LAREGFrancePascal Willis l INASAN MoscowRussiaSuriya Tatevian l LEGOS-GRGS / CLS ToulouseFranceJean-François Crétaux l Royal Observatory of BelgiumBelgiumRené Warnant
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 12 Proposals SPOT4 SPOT5 Navigation Precise Beacon Location Earth rotation Gravity field Precise Orbit SPOT2 TOPEX-POSEIDON JASON1 SPOT3 ACESCRYOSAT PLEIADES ENVISAT1
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 13 Proposals êExisting Stations (54) l Orbitography Network CNES/IGN - FranceHervé Fagard l Yarragadee, Mount Stromlo AUSLIG - AustraliaRamesh Govind l Badary, IAA - RussiaZinovy Malkin l Kauai, Fairbanks NASA GSFC - USAJohn Bosworth l Metsahovi, Finnish Geodetic Institute - FinlandMatti Paunonen l Syowa, National Institute of Polar Research - JapanKazuo Shibuya
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 14 New stations proposals l Australia, Antartica AUSLIG - AustraliaRamesh Govind l Brussels, Royal Observatory of BelgiumRené Warnant l Dome C, Antartica - FranceChristian Vincent l Grasse, Ajaccio - FrancePierre Exertier l Gavdos TU Crete - GreeceStelios Mertikas l Greenbelt NASA GSFC - USAJohn Bosworth l Herstmonceux - UKPhil Moore l IranFaramarz Nilforoushan
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 15 New stations proposals l Irkutsk VS NIIFTRI - RussiaVjacheslav Zalutsky l Pecny Geodetic Observatory - Czech Rep.Jaroslav Simek l San Fernando - SpainJose Martin Davila l Svetloe, Zelenchukskaya, IAA - RussiaZinovy Malkin l Terra Nova Bay - Italy/AntarticaAlessandro Capra l Warsaw University of Technology - PolandJanusz Sledzinski l Wetzel, TIGO - GermanyWolfgang Schlueter l Wousi - New HebridesStéphane Calmant
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 16 Planned activity êCentral Bureau l Website êData Centers l available measurements comparison l ancillary information êData flow coordinator êFormats Working Group êAnalysis Centers / Analysis coordinator êStations Selection Group êSteering Committee l statutes of the future Directing Board
The DORIS Pilot Experiment DORIS Days May 2000 Toulouse, France 17 Web server ê