Por |
Chapagain, Narayan P.; Fejer, Bela G.; Chau Chong Shing, Jorge Luis
(American Geophysical Union, 2009-07)
We use radar observations from 1996 to 2006 to study the climatology of postsunset equatorial 3-m spread F irregularities over Jicamarca during all seasons. We show that the spread F onset times do not change with solar flux and that their onset heights, which occur near the altitude of the evening F ...