D. V. Tatarnikov - Dr.Sc. (Eng.), Professor, Department of Radiophysics, Antennas and Microwave Technique, Moscow Aviation Institute (National Research University); Antenna Design Chief, Topcon Positioning Systems, Inc. E-mail: DTatarnikov@topcon.com A. V. Astakhov - Ph.D. (Eng.), Associate Professor, Department of Radiophysics, Antennas and Microwave Technique, Moscow Aviation Institute (National Research University); Leading Antenna Design Engineer, Topcon Positioning Systems, Inc. E-mail: AAstakhov@topcon.com

M.V. Kulikov¹, M.P. Sagalaev², P.A. Kistanov³, V.A. Lobov4

1  Military Telecommunications Academy (St. Petersburg, Russia)

2,3 LTD «STC» (St. Petersburg, Russia) 4  Military unit 21882 (Moscow, Russia)