Sastri, J. H; Sasidharan, K; Subrahmanyam, V; Srirama Rao, M
(The Council of Scientific and Industrial Research, 1978-11)
Using quarter-hourly ionogram data at Kodaikanal (geomag. lat: 0.6°N; dip:
3•S0N) for the period 19.57-63 a study is made of the effect of
geomagnetic activity on the occurrence of range and frequency types of
spread-F. ...