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International Journal of Geophysics
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2019
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Article
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Tab 2
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Research Article
Critical Frequency foF2 Variations at Korhogo Station from 1992 to 2001 Prediction with IRI-2012
Table 2
Occurrence of geomagnetic activity classes per solar phase from 1992–2001.
Solar phases
Quiet
Fluctuating
Shock
Recurrent
Minimum
403
220
4
16
Ascending
486
167
17
0
Maximum
562
300
42
8
Descending
329
304
29
56