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|Title:||Influence of geomagnetic activity on the occurrence of midlatitude ionogram-recorded spread-F|
|Authors:||Bowman, G G|
Mortimer, I K
|Abstract:||Delayed spread-F occurrence as recorded by ionograms, following geomagnetic activity (GA) has been investigated using data from 88 stations located around the world. The spread-F occurrence is delayed progressively from one to three Days, from subauroral to midlatitude regions. The equatorial latitudes show suppressed activity. An examination of daily spread-F occurrence values relative to the AE index reveals not only a main delay of one day, but also delays of two and three days. These delays involve prinicipally GA occurring around 0600 hrs LT.|
|ISSN:||0975-105X (Online); 0367-8393 (Print)|
|Appears in Collections:||IJRSP Vol.32(1) [February 2003]|
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