V.E. Drach – Ph.D.(Eng.), Associate Professor, 

Kaluga branch of the Bauman MSTU

E-mail: drach@bmstu-kaluga.ru

P.V. Kondrashov – Master Student, 

Kaluga branch of the Bauman MSTU

E-mail: p.kondrashov.radio@yandex.ru

M.A. Savvin – Master Student, 

Kaluga branch of the Bauman MSTU

E-mail: 79108644148@yandex.ru