Wave disturbance influence on HF-propagation characteristics |
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| Authors: | N Polekh V Ivanova V Kurkin L Chistyakova I Poddelsky |
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| Institution: | 1. Institute of Solar-Terrestrial Physics SB RAS, Lermontov str., 126a, P.O. Box 291, Irkutsk 664033, Russian Federation;2. Institute of Cosmophysical Researches and Radio Wave Propagation FEB RAS, Mirnaya str., 7, Elizovskiy District, Paratunka, Kamchatka Region 684034, Russian Federation |
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| Abstract: | This work studies the variations of HF characteristics and ionospheric parameters recorded over mid-latitude paths in the Russian East-Siberian region during magnetic storms on May 15, 1997, and September 24, 2006. The sharp wave-like changes in maximum observed frequencies (MOF) were recorded during the main phase of the investigated storms. Assuming that observed MOF variations can be produced by ionospheric disturbances propagating from the northern to the southern latitudes, a simulation of HF propagation conditions was carried out. |
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| Keywords: | High-frequency radiosounding Geomagnetic storm F2-region critical frequencies Ionospheric wave disturbance modelling |
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