V. A. Ufaev - Dr.Sc. (Eng.), Senior Research Scientist, Leading Research Scientist of - VVA n.a. prof. N.E. Zhukovsky and Yu.A. Gagarin - (Voronezh)
A. V. Ufaev - Design Engineer, JSC - Concern "Sozvezdie" (Voronezh)

D.G. Pantenkov − Ph.D. (Eng.), Deputy Chief Designer of Radiocommunication Systems, 

JSC «Kronstadt» (Moscow)

E-mail: pantenkov88@mail.ru

M.А.А. Frah1, V.V. Belyaev2, A.B.N. Mustafa3, A.A. Belyaev4

1,2 Peoples' Friendship University of Russia (Moscow, Russia)

1,3 Al Neelain University (Khartoum, Sudan)

2,4 State University of Education (Moscow, Russia)

1 sounak_ali@yahoo.com, 2 vv.belyaev@guppros.ru, 4 aa.belyaev@guppros.ru