“…Russian navigation satellite system GLONASS (Globalnaya Navigatsionnaya Sputnikovaya Sistema) was founded in the mid-70s as a response to American GPS. The fi rst GLONASS satellite was put into orbit in 1982 and the system became for the fi rst time fully operational in 1995 [17]. However, due to the fi nancial problems of the Russian Federation and relatively short lifetime of the fi rst block of satellites this state was maintained for a very short period of time [18].…”