The basic telemetry-system concept for Explorer XI11 was selected primarily on the basis of demonstrated performance (ref. IV-1). The successful orbiting of Vanguard I1 (1939 Alpha) and Vanguard I11 (1959 Eta) had proven the basic design of the tracking and telemetry concepts which were compatible with mini- track network. It was necessary for the NASA Langley Research Center (LRC) to expand the system to provide a 48-channel telemetry system. Two of these sys- tems were used in the Explorer XI11 in order to provide the required channel capacity.


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    Title :

    Telemetry design


    Contributors:

    Publication date :

    1964-11-01


    Type of media :

    Article/Chapter (Book)


    Type of material :

    No indication


    Language :

    English




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