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GLONASS Navigation Message
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| Fundamentals | |
|---|---|
| Title | GLONASS Navigation Message |
| Author(s) | J. Sanz Subirana, JM. Juan Zornoza and M. Hernandez-Pajares, University of Catalunia, Spain. |
| Level | Basic |
| Year of Publication | 2011 |
GLONASS satellites transmit right-hand circularly polarised signals centred on two radio-frequencies in L band, referred here to Link 1 (G1) and Link 2 (G2)[footnotes 1].
Two services are available from GLONASS system:
- SPS: The Standard Positioning Service (or Standard Accuracy Signal service) is an open service, free of charge for worldwide users. The navigation signal was initially provided only in the frequency band G1, but from 2004 on the new GLONASS-M transmits also a second civil signal in G2.
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