S.A. Alaverdyan - Ph. D. (Eng.), Head of Department, Central Institute of Measuring Equipment (Saratov). E-mail: asinok@gmail.ru I.N. Kabanov - Ph. D. (Eng.), Head of Department, Mytishchinsky SRI of Radio-Measuring Instruments. E-mail: mr.kin63@mail.ru V.V. Komarov - Dr. Sc. (Eng.), Professor, Department «Radioengineering and telecommunications», Yuri Gagarin State Technical University (Saratov). E-mail: vyacheslav.komarov@gmail.com V.P. Meschanov - Dr. Sc. (Eng.), Professor, Director of NIKA-Microwave, Ltd (Saratov). E-mail: nika373@bk.ru