During the Spring equinox, both ATS-6 and ATS-5 were in geosynchronous orbit with a separation of about 11 deg longitude. A ground-based campaign was undertaken by Eather, Mende, and Judge to observe aurora at the foot of the ATS field line with a variety of instruments. Initial results support the injection boundary hypothesis of Mauk and McIlwain. Also during this period, the Cs-ion thrusters on both spacecraft were exercized in a deliberate attempt to control the spacecraft potential. Some success was achieved, and the presence of a sheath with a potential minimum about ATS-5 has been demonstrated (the sheath about ATS-6 is observed directly).


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    Title :

    Substorm phenomena and the uniqueness of the geostationary orbit for observation of dynamic processes in the magnetosphere


    Contributors:

    Conference:

    The scientific satellite programme during the International Magnetospheric Study ; 1975 ; Vienna, Austria


    Publication date :

    1976-01-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :