D.E. Edemskij - Ph.D. (Phys.-Math.), Leading Engineer, Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN)
V.V. Kopeikin - Ph.D. (Phys.-Math.), Leading Engineer, Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN)
A.V. Popov - Dr.Sc. (Phys.-Math.), Head of Department, Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN). E-mail: popov@izmiran.ru
I.V. Prokopovich - Post-graduated Student, Junior Researcher, Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN)

A.V. Popov – Dr.Sc.(Phys.-Math.), Main Research Scientist, Pushkov Institute of Terrestrial Magnetism,  Ionosphere and Radio Wave Propagation of RAS (Moscow, Troitsk)

E-mail: popov@izmiran.ru

I.V. Prokopovich – Research Scientist, Pushkov Institute of Terrestrial Magnetism, 

Ionosphere and Radio Wave Propagation of RAS (Moscow, Troitsk)

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 (Moscow, Troitsk) E-mail: deedemsky@gmail.com