Solar x-ray control of the ionospheric absorption measured by the sweep frequency method
The ionospheric absorption data measured by the sweep frequency method have been compared with the solar x-ray data in the band of 1–8 Å during quiet- and disturbed-sun conditions. The degree of solar x-ray control of the ionospheric absorption and the corresponding limit of solar x-ray flux have been discussed.
KeywordsControl absorption sweep frequency method
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