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Abstract

Measurements of sferics were obtained during two balloon flights launched from Cachoeira Paulista, Brazil, on 26 January 1994 and 23 March 1995 carrying double-probe electric field detectors. The results are discussed in terms of the polarity of the associated lightning flashes and the relationship between the sferic amplitude and the sferic decay time constant. Sferic signatures of one negative flash and two large positive flashes in the quasi-DC and VLF electric field data, obtained in 1995, are presented. From the data obtained in 1994 associated with negatives flashes, a linear relationship between the amplitude and the decay time constant of sferics was found.

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/content/papers/10.3997/2214-4609-pdb.299.405
1997-11-07
2024-06-16
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