The web site primary goal is the information support on the satellite navigation questions based on global systems GLONASS (Russian Federation), GPS (USA) and GALILEO (European Community). A basis of a web site are the results of the IAC work.
The site contains the information concerning the GLONASS and GPS current orbital constellations, Earth maps of the current and daily navigation availabilities, results of the GNSS navigation fields monitoring in Moscow area in a real-time mode and a number of the other data.