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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

THE INTERNATIONAL DORIS SERVICE

G. Tavernier (CNES)

L. Soudarin (CLS)

P. Willis (IGN/LAREG)

C. Noll (GSFC/CDDIS)

J. Ries (UTEX/CSR)




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




Velocities of 4 sites near EURASIAN boundariesrelative to the EURASIAN plate


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





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

    • [email protected]

  • Laurent Soudarin

    • [email protected]

  • Pascal Willis

    • [email protected]

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

  • Carey Noll

    • [email protected]

  • John Ries

    • [email protected]


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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