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|Title:||Occurrence of M & N Echoes at the Equatorial Station, Kodaikanal|
|Authors:||Sastri, J. Hanumath|
Murthy, B. Suryanarayana
|Abstract:||In quarter-hourly ionograms of Kodaikanal, close to the magnetic dip equator, for the period January December 1968, M and N echoes occur in association with the Es configuration characteristic of the equatorial zone. Also one notices either an isolated M echo or a combination of M and N echoes but rarely an isolated N echo. The M and N echoes together occur mostly with blanketing Es and are basically a post-noon event whereas the M echo occurs usually with equatonal Es and is a pre-noon event with a characteristic seasonal variation.|
|ISSN:||0975-105X (Online); 0367-8393 (Print)|
|Appears in Collections:||IJRSP Vol.04(1) [March 1975]|
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