Е.N. Garin - Dr.Sc. (Eng.), Associate Professor, Director, Siberian Federal University (Krasnoyarsk). E-mail: egarin@sfu-kras.ru S.P. Panko - Dr.Sc. (Eng.), Professor, Siberian Federal University (Krasnoyarsk). E-mail: psp410@mail.ru V.N. Tyapkin - Ph.D. (Eng.), Professor, Siberian Federal University (Krasnoyarsk). E-mail: tyapkin58@mail.ru G.Y. Shaydurov - Dr.Sc. (Eng.), Professor, Deputy Director on Science, Siberian Federal University (Krasnoyarsk). E-mail: Shaidurov@sfu-kras.ru

V.V. Varenkov1, D.S. Gorkin2

1,2 Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (Moscow, Russia)

1 varenkov@mail.ru, 2 gorkin@izmiran.ru