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THE INTERNATIONAL DORIS SERVICE. G. Tavernier (CNES) L. Soudarin (CLS) P. Willis (IGN/LAREG). C. Noll (GSFC/CDDIS) J. Ries (UTEX/CSR). DORIS SYSTEM. DORIS NETWORK. DORIS RECEIVERS FAMILY.

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THE INTERNATIONAL DORIS SERVICE

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THE INTERNATIONAL DORIS SERVICE

G. Tavernier (CNES)

L. Soudarin (CLS)

P. Willis (IGN/LAREG)

C. Noll (GSFC/CDDIS)

J. Ries (UTEX/CSR)


DORIS SYSTEM


DORIS NETWORK


DORIS RECEIVERS FAMILY

1st generation 2nd generation miniaturized 2nd generation


DORIS Missions (decided)

90 91 92 93 94 95 96 97 98 99 2000 2001 2002

SPOT-2

TOPEX-POSEIDON

SPOT-3

SPOT-4

ENVISAT-1

JASON-1

SPOT-5

Precise Orbit

Precise Beacon Location

Gravity field

Earth rotation

Navigation


DORIS system evolutions and perspectives

  • DIODE navigator

    • SPOT4 (March 1998)

    • JASON-1, ENVISAT, SPOT5 ...

  • 2nd generation receivers

    • dual channel

    • absolute phase measurement

    • miniaturized (Jason, SPOT5 …)

    • DIODE

  • 3rd generation ground beacons

    • shifted frequency

    • DORIS message & modulation on 2GHz channel


DORIS and Nuvel-1 velocities


DORIS, GPS and LASER velocities


Velocities of 4 sites near EURASIAN boundariesrelative to the EURASIAN plate


Velocities of MANILLE, CIBINONG & GUAM stationsrelative to the EURASIAN and PHILLIPINE plates


Relative velocities to India plate in Nepal and Tibet


Polar motion with DORIS data


Geocenter coordinates derived from DORIS data


International DORIS Service IDS

  • 4 techniques contributing to the IERS

  • International Services

    • I.G.S.

    • I.L.R.S.

    • I.V.S.

  • Benefit of an International DORIS service

    • IERS Directing Board

    • international scientific community

  • Call for Participation


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


IDS Analysis Centers products

  • Precise ephemerides

  • Stations coordinates andvelocities (ITRF)

  • Earth rotation results

  • ionospheric information

  • Time varying geocentercoordinates

  • Earth’s gravity field

  • Intercomparisons and quality checks

  • combined solution (IERS)


IDS Call for Participation

  • Call for Participation

    • IUGG99 - July 1999

  • Letter of intent

    • 15 September 1999

  • Formal proposals

    • 1 January 2000

  • IDS steering committee

    • January 2000

  • DORIS Days

    • 2-3 May 2000


IDS contacts

  • CNES

  • DSO/ED/AL/MA - Bpi 2002

  • 18, avenue Edouard Belin

  • 31401 TOULOUSE CEDEX 4

  • FRANCE

  • Gilles Tavernier

    • Gilles.Tavernier@cnes.fr

  • Laurent Soudarin

    • Laurent.Soudarin@cls.fr

  • Pascal Willis

    • pascal.willis@ensg.ign.fr

  • DORIS Mail : http://lareg.ensg.ign.fr/DORIS/doris_mail.html

  • Carey Noll

    • noll@cddis.gsfc.nasa.gov

  • John Ries

    • ries@csr.utexas.edu


International Doris Service - Call for Participation

  • Precise ephemerides

  • Stations coordinates andvelocities (ITRF)

  • Earth rotation results

  • ionospheric information

  • Time varying geocentercoordinates

  • Earth’s gravity field

  • Transmitting stations

  • On-board packages

  • Data Centers

  • Analysis Centers

  • Central Bureau

  • Directing Board


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