Browsing by Subject "Equatorial Region"

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Nature of geomagnetic-field variation on AQDS at equatorial latitudes

Sastri, J. H (National Institute of Science Communication and Information Resources, 1981-02)

From a comparative study of the diurnal variation of equatorial geomagnetic field during abnormal quiet days (AQDs) and normal quiet days (NQDs). It is shown that an additional field exists in the equatorial region during ...
Post-midnight occurrence of equatorial spread-f

Sastri, J. H (National Institute of Science Communication and Information Resources, 1981-06)

Evidence is presented to point out that the presence of an elevated F-region with reduced peak electron density in the equatorial region does not always result in the occurrence of spread-F condition in the post-midnight period.

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