A.I. Semenikhin - Ph. D. (Eng.), Professor, Department of antenna and radio transmitting equipment, Southern Federal University (Rostov-on-Don). Е-mail: airpu@tgn.sfedu.ru
D.V. Semenikhina - Dr. Sc. (Eng.), Professor, Department of antenna and radio transmitting equipment, Southern Federal University (Rostov-on-Don). Е-mail: airpu@tgn.sfedu.ru