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  1. DORIS the space surveyor serving the ITRF

    Publishing date:

    January 13, 2016

    The DORIS system (Doppler Orbitography and Radiopositioning Integrated by Satellite), conceived and developed by CNES, France’s national mapping, survey and forestry agency IGN and the French space geodesy research centre GRGS, has just turned 25. From the early 1990s, DORIS has driven effective exploitation of satellite altimetry data by supplying orbital parameters with centimetre accuracy. As a key element of geodetic and geophysical research, DORIS provides data for the International Terrestrial Reference Frame (ITRF), of which a new version—ITRF2014—is about to be released. And with new instruments soon set to launch on the Jason-3 and Sentinel-3 satellites, the DORIS constellation still has many more years of service in store.

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  2. DORIS, 30 years of continuous operations at the heart of the of altimetry mission performance for oceanography and geodetic applications

    Publishing date:

    February 27, 2020

    The DORIS system (Doppler Orbitography and Radio positioning Integrated by Satellite) was designed and developed in the early 1980s by CNES, IGN and GRGS to determine satellite positions with high accuracy to support altimetry missions dedicated to ocean monitoring.

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  3. Organization

    Publishing date:

    February 7, 2017

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  5. Since 1995, DORIS contributes to the International Terrestrial Reference Frame

    Source:

    • Sciences et techniques

    Publishing date:

    January 9, 2012

    Since 1995 DORIS contributes to the International Terrestrial Reference Frame Update: 01/09/2012

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  6. Applications

    Publishing date:

    February 7, 2017

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  7. AltiKa- Call for proposals until 15 February

    Publishing date:

    January 25, 2010

    On 15 December 2009, France and India issued a call for proposals from the international scientific community to exploit data from AltiKa, a high-resolution altimeter dedicated to measuring oceans, continental waters and ice.

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