RUSSIAN JOURNAL OF EARTH SCIENCES, VOL. 20, ES1004, doi:10.2205/2019ES000699, 2020
Figure 1. Daily sunspot number, the solar $F10.7$ index and geomagnetic $Dst$ index in 1999–2019. The grey vertical lines mark March 2007, July 2007 and January 2008.
Citation: Lukianova Renata , Alexander Kozlovsky (2020), Electron density in the polar F region ionosphere during solar minimum: modeling, radar and ionosonde observations, Russ. J. Earth Sci., 20, ES1004, doi:10.2205/2019ES000699.
Copyright 2020 by the Geophysical Center RAS.
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