Method for determining polarities of lightning strokes more than 400 km away. Two features of signal from each stroke correlated. New method based on fact each stroke observed thus far for which polarity determined unambiguously, initial polarity of tail same as polarity of initial deflection before initial-deflection signal altered by propagation effects. Receiving station equipped with electric-field-change antenna coupled to charge amplifier having time constant of order of 1 to 10 seconds. Output of amplifier fed to signal-processing circuitry, which determines initial polarity of tail.


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    Title :

    Determining Polarities Of Distant Lightning Strokes


    Contributors:

    Published in:

    Publication date :

    1990-06-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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