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Two pre-monsoon thunderstorms (nor’westers) in the Gangetic West Bengal have been considered to study the effect of source activity and wave propagation at a low latitude station. Lightning discharges, due to cumulonimbus cloud, propagate in the form of electromagnetic radiation have received in the form of sferics by sensitive receiver in ELF and VLF bands simultaneously. Local meteorological observatory...
Sferics receiver at 40 kHz operating round-the-clock at Kolkata (22.97° N, 88.43° E) in Techno India University, recorded characteristic radio signal variation during the huge tremors felt in Kolkata after a whopper of two earthquakes both rattled Myanmar with same magnitude of 6.8 on the Richter scale. In this paper we have reported the significant variations of the received signals at the two occasions...
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