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Temporary increase of luminosity of lightning channel during the stage of long continuing current is known as the M components. In this study 17 M components of 14 lightning flashes recorded with 10 ns sampling resolution is analyzed. Results suggest that in all analyzed cases the electric field change of M components is embedded with chaotic pulses.
Electric field changes associated with K - changes have been studied since 1956. In this study, the electric field variations of K changes observed in the tropics, in Sri Lanka, was analyzed to study the inter K change duration, K change duration, and possible contribution from other activities on K changes. Selected 144 k-changes of 64 lightning flashes, measured with 6.4 ns sampling rate were used...
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