A.Yu. Koziratsky - Dr. Sc. (Eng.), Professor, Head of Department of Radio Engineering and Antenna-Feeder Devices, MESC «Zhukovsky-Gagarin Air Force Academy» (Voronezh). E-mail: sashfish@bk.ru A.I. Grevtsev - Ph. D. (Eng.), Lecturer, Department of Radio Engineering and Antenna-Feeder Devices, MESC «Zhukovsky-Gagarin Air Force Academy» (Voronezh). E-mail: grevets1@rambler.ru M.M. Frolov - Post-graduate Student, MESC «Zhukovsky-Gagarin Air Force Academy» (Voronezh)