M.A. Medvedev – Engineer, NIKA-Microwave, Ltd (Saratov)

E-mail: medmixal@yahoo.com

I.G. Svechnikov – Ph.D.(Phys.-Math.), Research Scientist, NIKA-Microwave, Ltd (Saratov)

E-mail: svechnikovig@yandex.ru

E.A. Torgashov – Leading Engineer, NIKA-Microwave, Ltd (Saratov)

E-mail: eatorgashov@mail.ru

A.S. Oleynik – Dr.Sc.(Eng.), Professor, Department «Electronic Instruments and Devices», Yuri Gagarin State Technical University of Saratov

E-mail: anatoly.semenovich@gmail.com

N.A. Koplevatskii – Leading Engineer, NIKA-Microwave, Ltd (Saratov) E-mail: naumkopl@gmail.com