HR: 0800h
AN: SA21B-0352    [Abstracts]
TI: Seasonal and Longitudinal Variations of Midlatitude Topside Spread Echoes Based on ISS-b Observations
AU: * Mwene, A M
EM: musumba@gmail.com
AU: Earle, G D
EM: earle@utdallas.edu
AU: MCclure, P J
AB: A preliminary study of the seasonal and longitudinal variations of spread echoes from the Ionosphere Sounding Satellite (ISS) using the topside sounding data has been undertaken. Significant longitudinal and seasonal variations in midlatitude spread echoes are observed. This mayb be caused by incursion of high and /or low latitude irregularities into the midlatitude domain.The north Atlantic region has the highest occurrence probability in the winter solstice. The smallest occurrence is in the north Pacific in the same interval. Occurrence probabilities of up to about 30% are quite common.
UR: http://www.utdallas.edu/~Anthony.Mwene/
DE: 5729 Ionospheres (2459)
SC: SPA-Aeronomy [SA]
MN: 2004 AGU Fall Meeting