P. N. Bashly1, S. E. Mishchenko2, V. V. Shatsky3, A. V. Litvinov4, S. A. Shelkoplyasov5
1 Rostov branch of Russian Customs Academy (Rostov-on-Don, Russia)
2–5 Federal State Unitary Enterprise “Rostov Scientific Research Institute of Radio Communications” (Rostov-on-Don, Russia)