Influence of meteorological and wave processes on the lower ionosphere during solar minimum conditions according to the data on midlatitude VLF-LF propagation |
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| Authors: | A A Egoshin V M Ermak Yu I Zetzer S I Kozlov V P Kudryavtsev A N Lyakhov Yu V Poklad E N Yakimenko |
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| Institution: | 1.Institute of Geosphere Dynamics,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | The statistical characteristics of the intensity of VLF-LF radio signals transmitted from the midlatitude radio stations and
recorded by the receiver at the Mikhnevo geophysical observatory (54.94°N, 37.73°E; Institute of Geosphere Dynamics, Russian
Academy of Sciences) in 2007–2010 are analyzed. The experiments revealed strong variations in the intensity of radio signals
during the deep solar minimum conditions, when the medium does not experience impacts from above associated with solar and
geomagnetic activity. We relate the observed variations to the disturbances from below, which are caused by the meteorological
and wave processes occurring in the lower atmosphere. |
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