GPS, GLONASS, GIOVE, QZSS, GAGAN, WAAS, EGNOS, MSAS and RAIM status information

United States of America Global Positioning System (GPS) operators broadcast the constellation status messages form:

Russian Global Navigation Satellite System (GLONASS) operators broadcast the constellation status messages form:

GALILEO In Orbit Validation Element (GIOVE) SIS status can be monitored from:

North American Wide Area Augmentation System (WAAS) can be monitored in almost real time from:

European Geostationary Navigation Overlay Service (EGNOS) can be monitored in almost real time from:

Japanese Multi-functional Satellite Augmentation System (MSAS) monitoring site is down:

Japanese Quasi-Zenith Satellite System (QZSS) can be monitored from:
Receiver Autonomous Independent Monitoring (RAIM):

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