I. A. Illarionov - Ph.D. (Eng.), Leading Research Scientist, FSUE FRPC - Measuring System Research Institute n.a. Yu.Ye. Sedakov - (Nizhny Novgorod). E-mail: illarionovi@list.ru M. I. Dudkin - Research Engineer of 3rd category, FSUE FRPC - Measuring System Research Institute n.a. Yu.Ye. Sedakov - (Nizhny Novgorod). E-mail: dudkin.mikhail.ig@gmail.com A. V. Kuznetsov - Head of Design-Engineering Department, FSUE FRPC - Measuring System Research Institute n.a. Yu.Ye. Sedakov - (Nizhny Novgorod). E-mail: avkvk@mail.ru Ye. V. Zvereva - Research Engineer of 3rd category, FSUE FRPC - Measuring System Research Institute n.a. Yu.Ye. Sedakov - (Nizhny Novgorod). E-mail: ezvereva@mail.ru I. P. Yaroslavtseva - Design Engineer of 2nd category, FSUE FRPC - Measuring System Research Institute n.a. Yu.Ye. Sedakov - (Nizhny Novgorod). E-mail: irinadomcom@mail.ru

V.S. Ivlev1, A.S. Kochubey2

1,2 JSC «Taganrog Research Institute of Communications» (Taganrog, Russia)

1 vic8@ya.ru, 2 l.co4ubey@ya.ru