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Title: Propagation of Atmospheric Radio Noise through Sporadic-E Layer in the Equatorial Region
Authors: Ghosh, B B
Saksena, R C
Malhotra, V J
Issue Date: Apr-1978
Publisher: NISCAIR-CSIR, India
Abstract: Variation of atmospheric radio noise field strengths (ARN-FS) measured at Trivandrum (lat. 08° 29'N; long. 76o- 57'E) in the frequency range 2·5-9·5MHz has been compared with the frequency distribution of the occurrences of sporadic-E at Trivandrum and Kodaikanal Oat. 10° 14'N; long. 77o 29'E) using f0Es and fbEs data. The analysis shows a close association of enhancements of ARN-FS with the maximum occurrence of sporadic-E at certain frequencies. An attempt has been made to explain these peaks of enhancements of ARN-FS as due to reflections from blanketing as well as from patchy sporadic-E. An estimate of mean radiated power at the source of atmospheric radio noise has been attempted, considering its propagation via Es-layers in the equatorial region. This is compared with the earlier results and found to agree favorably.
Page(s): 106-110
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.07(2) [April 1978]

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