We present for the first time the experimental data on the frequency of ion–neutral collisions at the altitudes of the ionospheric E layer, which were obtained by the method of resonance scattering of the radio waves by artificial periodic irregularities of the ionospheric plasma. The measurements were carried out in different time periods from 1990 to 2012. Time and altitude dependences of the collision frequency are given. The dependence of the collision frequency on the solar and geomagnetic activity has been analyzed.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 58, No. 4, pp. 268–276, April 2015.
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Tolmacheva, A.V. Results of the Ion–Neutral Collision Frequency Measurements in the Lower Thermosphere by the Method of Resonance Scattering of the Radio Waves by Artificial Periodic Irregularities. Radiophys Quantum El 58, 245–252 (2015). https://doi.org/10.1007/s11141-015-9598-x
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DOI: https://doi.org/10.1007/s11141-015-9598-x