D. D. Dmitriev – Ph.D. (Eng.), Associate Professor, Siberian Federal University (Krasnoyarsk) E-mail: dmitriev121074@mail.ru

I. V. Tyapkin – Lecturer, Siberian Federal University (Krasnoyarsk)

E-mail: tyapkin58@mail.ru

A. B. Gladyshev – Associate Professor, Siberian Federal University (Krasnoyarsk)

E-mail: a-glonass@yandex.ru

A. A. Leksikov – Ph.D. (Phys.-Math.), Associate Professor, Siberian Federal University (Krasnoyarsk)

E-mail: a.a.leksikov@gmail.com