Sastri, J. H; Huang, Y. N; Shibata, T; Okuzawa, T
(American Geophysical Union, 1995-10)
The response of the equatorial-low latitude nightside ionosphere to the geomagnetic negative sudden impulse(si-) on March 15, 1993 is studied using recordings of Doppler velocity of ionospheric echoes at vertical incidence ...