Short whips (monopoles) are often used on vehicles when a quarter wavelength is too long. It is common knowledge that a loading coil located in series with the whip improves narrow band performance. This series inductive loading of monopole (dipole) antennas is analyzed by a piecewise sinusoidal moment method. When loaded tor esonance, the current rises from the feed value to a peak slightly beyond the load point with decay to zero at the end. Radiation resistance improvement factors as large as 5 have been calculated. The resonant loading reactance is shown to vary inversely with the antenna length for most lengths.


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    Title :

    Optimum inductive loading of short whip antennas


    Additional title:

    Optimale induktive Belastung von kurzen Stabantennen


    Contributors:

    Published in:

    Publication date :

    1975


    Size :

    9 Seiten, 11 Bilder, 15 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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