A 15,690-ton commercial container ship was selected as lead ship for an onboard electromagnetic-interference (EMI) survey prior to installation of 1535-1645-MHz (L-Band) shipboard terminals for communication via a maritime satellite. In general, the EMI survey revealed tolerable interference levels on board 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.


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    Titel :

    EMI survey for maritime satellite 1535-1645-MHz shipboard terminal


    Beteiligte:
    Taylor, R. E. (Autor:in) / Brandel, D. L. (Autor:in) / Hill, J. S. (Autor:in)


    Erscheinungsdatum :

    01.11.1977


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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