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Title: Knife-edge Type Depression of If Radio Signal during Geomagnetic Storms
Authors: Sen, A K
Sara, B
Issue Date: Mar-1977
Publisher: NISCAIR-CSIR, India
Abstract: The field strength data of a 280 kHz If radio signal trans' mitted from Jessore, Bangladesh (lat. 22° 10' N; long. 89° 10' E) to Calcutta (lat. 22° 34' E; long. 88 24' E) during a one-year period from June 1972 to May 1973 have been examined in order to explore the effect of geomagnetic activity. It has been observed that during a geomagnetic storm the field strength in daytime undergoes marked fluctuations, often exhibiting sharp depressions of field strength in the form of a 'knife-edge' and having a duration in the range 1-6 min.
Page(s): 69-71
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.06(1) [March 1977]

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