Yu. N. Cherkashin, V. A. Eremenko

V.A. Eremenko, Yu.N. Cherkashin, S.O. Chumakov

Yu.N. Cherkashin, V.A. Eremenko

I.J. Mostovy, I.E. Bartenev

Yu.N. Cherkashin, V.A. Eremenko

Yu.N. Cherkashin - Dr. Sc. (Phys.-Math.), Professor, Main Research Scientist, Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation named after Nikolay Pushkov of RAS (Troitsk, Moscow region). E-mail: yu_ch@izmiran.ru V.A. Eremenko - Ph. D. (Phys.-Math.), Leading Research Scientist, Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation named after Nikolay Pushkov of RAS (Troitsk, Moscow region). E-mail: eremenko@izmiran.ru

Yu.N. Cherkashin - Dr.Sc. (Phys.-Math.), Professor, Chief Research Scientist, Institute of Terrestrial Magnetism Ionosphere and Radio Wave Propagation named after N.V. Pushkov. E-mail: yu_ch@izmiran.ru V.E. Eremenko - Dr.Sc. (Phys.-Math.), Professor, Leading Research Scientist, Institute of Terrestrial Magnetism Ionosphere and Radio Wave Propagation named after N.V. Pushkov. E-mail: eremenko@izmiran.ru O.S. Chyumakov - Leading Engineer, Institute of Terrestrial Magnetism Ionosphere and Radio Wave Propagation named after N.V. Pushkov. E-mail: yu_ch@izmiran.ru

Yu.N. Cherkashin - Dr.Sc. (Phys.-Math.), Chief Research Scientist, Institute of Ferrestrial Magnetism, Ionosphere and Radio Wave Propagation to them N.V. Pushkov E-mail: yu_ch@izmiran.ru V.A. Eremenko - Dr.Sc. (Phys.-Math.), Leading Research Scientist, Institute of Ferrestrial Magnetism, Ionosphere and Radio Wave Propagation to them N.V. Pushkov E-mail: eremenko@izmiran.ru