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  1. T2L2 ready to put Einstein’s theory to the test

    Publishing date:

    November 6, 2008

    The T2L2 instrument on board Jason-2 is working well after a 1st series of tests to compare the DORIS instrument’s clock with atomic clocks here on Earth. Scientists are continuing to calibrate the instrument.

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  2. CALIPSO switches to back-up laser

    Publishing date:

    May 7, 2009

    After 3 years operating flawlessly, the French-US satellite’s laser has failed. This contingency had been expected and CALIPSO has successfully switched to its back-up laser.

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