This report describes the activities of the JPL VLBI Analysis Center for the year 2011. We continue to do celestial reference frame, terrestrial reference frame, earth orientation, and spacecraft navigation work using the VLBI technique. In 2011 we continued to collect reference frame data at 448 Mbps. Our work to build a reference at X/Ka-bands (8.4/32 GHz) is close to ppb accuracy. We supported several missions with VLBI navigation measurements. We continue to study ways to improve spacecraft tracking using VLBI techniques.


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    Title :

    JPL VLBI Analysis Center Report for 2011


    Contributors:
    C. Jacobs (author)

    Publication date :

    2012


    Size :

    4 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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