P.V. Denisenko - D.Sc. (Phys.-Math.), Professor, Department of radiophysics and space research, Research Institute of Physics, Southern Federal University. E-mail: denis@ip.rsu.ru A.A. Khomyakov - Post-graduate Student, Faculty of Physics, Southern Federal University. E-mail: artem_rsu@mail.ru

P.F. Denisenko - Dr. Sc. (Phys.-Math.), Professor, Head of Department of Radiophysics and Space Research, Research Institute of Physics SFU (Rostov-on-Don). E-mail: denis@ip.rsu.ru
A.A. Khomyakov - Post-graduate Student, Faculty of Physics, Southern Federal University (Rostov-on-Don). E-mail: artem_rsu@mail.ru