Abstract
We present the results of a special experiment carried out in the settlement of Zimenki, Nizhniy Novgorod province, on ionospheric vertical sounding by HF signals under F-spread using practically synchronous measurements of the multiple-ray nature of normal waves reflected from magnetoactive ionospheric plasma with ordinary and extraordinary polarizations at frequencies shifted by ∼ 0.7MHz. The experiment confirms the dominating role of large-scale electron-density inhomogeneities of the moving ionospheric disturbance type in the formation of middle-latitude F-spread.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 39, No. 5, pp. 564–567, May, 1996.
This work was supported by the Russian Foundation for Fundamental Research (project Nℴ. 95-02-03716 RFFI).
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Alimov, V.A., Vybornov, F.I. & Rakhlin, A.V. On the role of large-scale ionospheric inhomogeneities in the formation of middle-latitude F-spread. Radiophys Quantum Electron 39, 377–379 (1996). https://doi.org/10.1007/BF02124692
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DOI: https://doi.org/10.1007/BF02124692