A.V. Popov – Dr.Sc.(Phys.-Math.), Main Research Scientist, Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation of RAS E-mail: popov@izmiran.ru

I.V. Prokopovich – Research Scientist, Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation of RAS

E-mail: prokop@izmiran.ru

D.E. Edemsky – Ph.D.(Eng.), Senior Research Scientist, Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation of RAS

E-mail: deedemsky@gmail.com

P.A. Morozov – Ph.D.(Phys.-Math.), Senior Research Scientist, Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation of RAS

E-mail: pmoroz5@yandex.ru

A.I. Berkut – Dr.Sc.(Eng.), General Director of JSC VNIISMI (Moscow) E-mail: lozaberk@yandex.ru