A digital tape recorder was used on the Mariner Mars 1971 spacecraft to record television and scientific data. Data were recorded at 132 kilobits/sec and were reproduced at one of five available rates (16.2, 8.1, 4.05, 2.05, or 1.0125 kilobits/sec) selected by ground command to be congruous with the spacecraft-to-earth communications link performance. The transport mechanism contained 167 m of 1.2 cm magnetic recording tape. A single motor was used to drive the peripheral drive transport. During development of the design, stick slip problems were encountered. A design life of 2400 tape passes was achieved during the mission.


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    Title :

    Mariner Mars 1971 data storage subsystem


    Contributors:
    Grumm, R. (author)

    Publication date :

    1972-09-15


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English


    Keywords :