GPS World magazine covering GNSS news for industry professionals. Inside GNSS | Engineering Solutions from the Global Navigation S. The Institute of Navigation. EUREF Permanent GNSS Network. Index of /papers.pdf. Research Group of Astronomy and Geomatics (gAGE/UPC) About SISNeT. Signals used by SISNeT SISNeT (Signal in Space through the Internet) uses signals from EGNOS, the European Geostationary Navigation Overlay Service.
EGNOS is the first step in the European contribution to the Global Navigation Satellite System, and a fundamental stepping-stone towards Galileo, Europe's own Global Navigation Satellite System. IGS -- International GNSS Service, formerly the International GP.