Weak ionization of the global ionosphere in solar cycle 24
Following prolonged and extremely quiet solar activity from 2008 to 2009, the 24th solar cycle started slowly. It has been almost 5 years since then. The measurement of ionospheric critical frequency (<i>fo</i>F2) shows the fact that solar activity has been significantly lower in the...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Copernicus Publications
2014-07-01
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Series: | Annales Geophysicae |
Online Access: | https://www.ann-geophys.net/32/809/2014/angeo-32-809-2014.pdf |