Jayachandran, B; Balan, N; Rao, P. B; Sastri, J. H; Bailey, G. J
(American Geophysical Union, 1993)
The relative importance of height, vertical drift velocity, and electron density gradient of the postsunset bottomside (5.5 MHz) equatorial F region for the onset of spread F is studied using simultaneous HF Doppler radar ...