Sastri, J. H; Ramesh, K. B; Rao, J. V. S. V; Somayajulu, V. V
(American Geophysical Union, 1991-12)
Measurements of phase path P of lower F-region reflections at normal incidence at Kodaikanal revealed the ubiquitous presence of 30-300-s quasi-sinusoidal variations in the time rate of change of phase path, P (Doppler ...