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  5. Analysis of possible generation mechanisms of traveling ionospheric disturbances, caused by launching or other effects of artificial or natural origin

Analysis of possible generation mechanisms of traveling ionospheric disturbances, caused by launching or other effects of artificial or natural origin

D.V. Karlov, M.N. Zhuravsky
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Experimental results which deviate from ionospheric disturbances formation hypothesis under the influence of shock waves are analyzed in the article. It concerns, in the first place, the first sporadic formation in F2 ionosphere layer. We estimate its propagation velocity as 5,5 ± 1,5 km per s – by quasi-longitudinal (concerning geomagnetic field) propagation and 8,3±2 km per s – by quasi-transverse propagation.
Keywords: traveling ionospheric disturbance (TID), TIDs formation hypotheses, shock waves, F2 ionosphere layer, sporadic formation