12 Facts About GLONASS

GLONASS is the most expensive program of the Roscosmos, consuming a third of its budget in 2010.

GLONASS is a global navigation satellite system, providing real time position and velocity determination for military and civilian users.

GLONASS's orbit makes it especially suited for usage in high latitudes, where getting a GPS signal can be problematic.

All GLONASS satellites transmit the same code as their standard-precision signal; however each transmits on a different frequency using a 15-channel frequency-division multiple access technique spanning either side from 1602.

GLONASS uses a coordinate datum named "PZ-90", in which the precise location of the North Pole is given as an average of its position from 1990 to 1995.

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Main contractor of the GLONASS program is Joint Stock Company Information Satellite Systems Reshetnev .

GLONASS, located in Zheleznogorsk, is the designer of all GLONASS satellites, in cooperation with the Institute for Space Device Engineering and the Russian Institute of Radio Navigation and Time.

Ground control segment of GLONASS is almost entirely located within former Soviet Union territory, except for several in Brazil and one in Nicaragua.

Civilian GLONASS used alone is therefore very slightly less accurate than GPS.

On high latitudes, GLONASS' accuracy is better than that of GPS due to the orbital position of the satellites.

In particular, the latest satellite design, GLONASS-K has the ability to double the system's accuracy once introduced.

The setup of a GLONASS receiving station in the Philippines is under negotiation.