A.B. Gladyshev – Associate Professor, Military Engineering Institute, Siberian Federal University (Krasnoyarsk) E-mail: a-glonass@yandex.ru

D.N. Ryzhkov – Main Designer, JSC Academician M.F. Reshetnev «ISS» (Zheleznogorsk) E-mail: dmitriynr@yandex.ru

I.V. Tyapkin – Lecturer, Military Engineering Institute, Siberian Federal University (Krasnoyarsk) E-mail: tyapkin58@mail.ru