S.N. Karutin – Ph.D.(Eng.), Deputy General Director, Central Research Institute of Machine Building (Korolev, Moscow Reg.); General Designer of GLONASS

E-mail: s.karutin@glonass-iac.ru

V.N. Kharisov – Dr.Sc.(Eng.), Professor, Director of Navigation and Communication Systems, OJSC «VNIIR-Progress» (Moscow) E-mail: vhar@list.ru

V.S. Pavlov – Ph.D.(Eng.), Leading Engineer, Department of Advanced Development, OJSC «VNIIR-Progress» (Moscow) E-mail: vapavlov@abselectro.com