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|Title:||Knife-edge Type Depression of If Radio Signal during Geomagnetic Storms|
|Authors:||Sen, A K|
|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.|
|ISSN:||0975-105X (Online); 0367-8393 (Print)|
|Appears in Collections:||IJRSP Vol.06(1) [March 1977]|
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