At the present time 'Applications Technology Satellite (ATS)-6' is the world's largest communication satellite. It handles telecommunications in the frequency range of 40 - 30,000 MHz. Power levels on board the spacecraft range from -110 dBm to 52.5 dBw. Consequently considerable care was required in the design and test of this spacecraft, in order to provide assurances that the spacecraft would perform properly in its own RF environments. The testing was performed first by placing the earth viewing module (EVM) in a specially constructed 'small' anechoic chamber with an overhead parabolic reflector section, of 8' in diameter, instead of the 30' reflector of the full scale design. The near field analysis of this paper proves that this test configuration leads to a desirable overtest for the spacecraft. The test requirements, procedure and results are also explained.


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    Title :

    ATS 6 EMI field measurements techniques and results


    Contributors:

    Conference:

    EASCON ''74; Electronics and Aerospace Systems Convention ; 1974 ; Washington, DC


    Publication date :

    1974-01-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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