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Title: IEC and equivalent slab-thickness at Taiwan
Authors: Vijay, S K
Singh, Manjesh
Gwal, A K
Issue Date: Feb-1991
Publisher: NISCAIR-CSIR, India
Abstract: The diurnal and seasonal variations of IECmax and IECmin, noontime biteout, nighttime enhancement in ionospheric electron content (IEC), and equivalent slab-thickness over Taiwan (24.9°N, 121.3°E) have been studied for the quiet days. In general, in the diurnal and seasonal variations of IEC, it is observed that IEC attains minimum value around 0400-0500 hrs LT except in winter months, and the rate of decrease of IEC after reaching maximum is more steep during pre-midnight hours than that during post-midnight hours. The effect of noontime biteout is found more pronounced during summer rather than winter or equinoctial months of 1983-84. Moreover, the nighttime enhancement phenomenon shows the same trend. The seasonal variation of the equivalent slab-thickness of the ionosphere at Taiwan has also been studied and the occurrence of the secondary enhancement has also been observed and discussed.
Page(s): 61-64
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.20(1) [February 1991]

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