Abstract During 14 days UT1 was monitored by daily VLBI short experiments between Kashima and Wettzell (GJRO, G erman J apanese Earth R otation O bservations) in order to investigate short-term UT1 variations and to compare the results with those of another independent network, Wettzell and Westford (USA). Both UT1-series agree within 0.2msec if the regular IRIS pole positions are used, but there is still a remaining offset of 0.1 msec. The fortnightly period (13.66d) induced by earth tides was detected in the GJRO results with an increase of the theoretical amplitude by 5–10%. Using the data of the long experiment the baseline vector was also determined. The baseline length coincides with the Crustal Dynamics Project VLBI-campaign solution to within 1cm.


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    Title :

    First VLBI experiments between Kashima and Wettzell for monitoring UT1


    Contributors:
    Yoshino, T. (author) / Hama, S. (author) / Shiomo, T. (author) / Campbell, J. (author) / Cloppenburg, H. (author) / Schuh, H. (author) / Kilger, R. (author)

    Published in:

    Publication date :

    1986-01-01


    Size :

    4 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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