Affiliation: | 1.JSC Mints Moscow Radiotechnical Institute of Russian Academy of Sciences, 117519, Moscow, Russia ;2.Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radio Wave Propagation, Russian Academy of Sciences, 142191, Troitsk, Russia ;3.Gorodovikov Kalmyk State University, 358000, Elista, Russia ; |