Y.А. Bogatyrev - Ph.D. (Eng.), professor, radio receivers department, National Research University "MPEI". E-mail: bogatyrevya@mpei.ru
P.V. Zhiltsov - competitor for candidate of technical sciences degree, JSC «NAVGEOCOM». E-mail: pjghost@mail.ru

N.V. Selezneva - Dr. Sc. (Eng.), Associate Professor, Professor, Moscow State University of Information Technologies, Radio Engineering and Electronics (MIREA). E-mail: seleznevanv@mail.ru