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  1. Jason-1 clocks up 10 years of climate observations

    Publishing date:

    December 7, 2011

    The Jason-1 ocean-observing satellite has been in orbit for 10 years. In that time, it has helped to build up a 20-year time series of continuous sea-surface measurements to enhance our understanding of climate change.

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  2. Jason-2 all set to take satellite altimetry into higher gear

    Publishing date:

    October 29, 2008

    After 4 months of in-orbit commissioning, Jason-2 has entered the operational phase of its mission. The new ocean-observing satellite offers many improvements compared to its predecessor Jason-1.

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  3. Surveying Earth’s oceans: Jason-1 and Jason-2 join forces

    Publishing date:

    February 24, 2009

    After a 6-month cross-calibration phase, Jason-2 has been moved into the orbit of its predecessor Jason-1. The 2 ocean-observing satellites will now fly in tandem on parallel ground tracks until Jason-1 reaches the end of its mission life, thereby doubling ocean data coverage.

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  4. Jason-2 delivers its first global maps

    Publishing date:

    March 11, 2010

    The european-US Jason-3 oceanography satellite is scheduled to launch in 2013 to replace Jason-1. Its objective is to continue monitoring sea-surface height and pursue the 21-year time series of high-accuracy ocean altimetry measurements.

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  5. 20 years in orbit for the Proteus satellite bus

    Publishing date:

    October 7, 2010

    The bus is a key element of a satellite, supplying power and enabling the spacecraft to be controlled from the ground. CNES has specialized in designing satellite buses since the 1990s. This year, its Proteus bus clocked up its 20th year in orbit.

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