The United States Lines 15,690-ton commercial-container ship, American Alliance, was selected as lead ship for an onboard EMI survey prior to installation of L-Band shipboard terminals for operation with two, geostationary, maritime satellites. In general, the EMI survey revealed tolerable interference levels onboard ship: radiometer measurements indicate antenna-noise temperatures less than 70 K, at elevation angles of 5 deg and greater, at 1559 MHz, at the output terminals of the 1.2-m-diameter, parabolic-dish antenna for the L-Band shipboard terminal. Other EMI measurements include field intensity from 3 cm- and 10 cm-wavelength pulse radars, and conducted-emission tests of primary power lines to both onboard radars. (Author)


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    Title :

    Emi Survey for Maritime Satellite, L-Band, Shipboard Terminal


    Contributors:
    R. E. Taylor (author) / J. S. Hill (author) / D. L. Brandel (author)

    Publication date :

    1974


    Size :

    8 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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