Sastri, J. H; Varma, V. K. M; Nayar, S. R. P
(American Geophysical Union, 1995-10)
Simultaneous measurements of F-region vertical drift are made in the evening hours (1700-2100 IST) at Trivandrum (dip 0.6°N) and Kodaikanal (dip 4°N) on fifteen days during December 1993- January 1994 using the HF phase ...