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Anghel, Adela; Anderson, David; Chau Chong Shing, Jorge Luis; Yumoto, Kiyohumi; Bhattacharyya, Archana
(American Geophysical Union, 2013-03-21)
The overall ionospheric variability with periods ranging from long-term, secular changes to days, hours, and even minutes and seconds, is influenced by the solar activity, geomagnetic activity, and processes originating in the lower atmospheric layers. Using a wavelet transform approach, in this paper, ...