V.V. Antipov1, D.S. Gorkin2, N.A. Duisinaliev3

1, 2 Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation Russian Academy of Sciences (IZMIRAN) (Moscow, Troitsk, Russia)
3 INTERRASKAN LLC (Moscow, Russia)
1 vadim.v.antipov@gmail.com, 2 gorkin@izmiran.ru, 3 nurbulat.duisinaliev@interrascan.ru