Certain features of UHF propagation during solar proton events |
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| Authors: | Yu. V. Goncharenko F. V. Kivva V. G. Gutnik |
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| Affiliation: | (1) Usikov Institute of Radiophysics and Electronics, National Academy of Sciences of Ukraine, ul. Akademika Proskury, Kharkov, 61085, Ukraine;(2) Institute of Radioastronomy, National Academy of Sciences of Ukraine, Krasnoznamennaya ul. 4, Kharkov, 61002, Ukraine |
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| Abstract: | Results of the experimental reception of the UHF signal from geostationary satellite, visible at a low elevation angle from the receiving point, have been considered. It has been noted that the fluctuation intensity considerably increases during powerful solar proton events. The observed effect can be caused by interference between direct and secondary rays related to tropospheric irregularities. The hypothesis explaining obtained results based on the optical model of solar-tropospheric coupling is proposed. |
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