The payload interrogator provides full duplex communication between the orbiter and detached payloads. This capability includes transmission of commands to and the reception of telemetry data from such payloads. Both NASA (STDN and DSN) and DOD (SGLS) transmit/receive frequency pairs are available. In addition to two way RF communication, Ku band rendezvous radar is also available. The radar skin-tracks targets in the passive mode or actively tracks transponder equipped payloads. Characteristics referring to those orbiter avionics characteristics of which the payloads must be cognizant and requirements referring to specifications placed upon payload communication equipment are discussed.


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    Title :

    Preliminary interface revision notice SD-152C update of section 8.3 of ICD 2-19001 for detached payloads



    Publication date :

    1980-12-31


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English





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