Changes in the F1 region electron densit
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D. Buresova; J. Lastovicka
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Article
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2001
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Elsevier Science
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English
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This paper attempts to demonstrate the changes in the F1 layer ionization during geomagnetic storm. To analyze the behavior of F1 region, we have selected eight rather strong geomagnetic storms that occurred in di erent seasons in 1994 -1997. Their course was similar and there were at least three qu