E.E. Gushchin, A.A. Dunaev, V.E. Lihachev, V.A. Antipov
O. V. Kudelin - Рost-graduate student designing and manufacture radio equipment chairs of the Voronezh State Technical University, senior engineer of company «Elektrosignal». E-mail: OlegQn@ya.ru
D. A. Verevkin - Рost-graduate student designing and manufacture radio equipment chairs of the Voronezh State Technical University, senior engineer of company «Elektrosignal». E-mail: hondec@inbox.ru