А.V. Grebennikov - Ph.D. (Eng.), Head of Sector, JSC «SPE «Radiosviaz» (Krasnoyarsk), Head of Department Siberian Federal University (Krasnoyarsk). E-mail: berg24@mail.ru М.Yu. Kazantsev - Ph.D. (Eng.), Associate Professor, Siberian Federal University (Krasnoyarsk) А.P. Kudrevich - Post-graduate Student, Siberian Federal University (Krasnoyarsk) S.V. Sizasov - Senior Lecturer, Siberian Federal University (Krasnoyarsk)

A.V. Saltsberg1, K.G. Shupen2, A.Yu. Feoktistov3

1-3 Russian Institute of Radionavigation and Time (Saint-Petersburg, Russia)

A.V. Saltsberg1, K.G. Shupen2

1,2 JSC “Russian Institute of Radionavigation and Time” (Saint-Petersburg, Russia)

K.G. Shupen1, V.F. Braginets2, V.M. Meshcheryakov3

1-3 JSC “Scientific and Production Corporation “Precision Instrument Systems” Branch “PNBO” (Korolev, Russia)

1 k.shupen@mail.ru; 2 braginets@spnav.ru; 3 messer58@mail.ru