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How Many GNSS Satellites Do You Receive?
Just read my December issue of GPS World Magazine and they have a summary on all Constellations. I will summarize their summary.
GPS - 31 active satellites, 12 of which broadcast L5.
Glonass – 24 active satellites
Galileo – 16 active satellites, 4 additional were launched 12/12/2017
Beidou – 20 active satellites, 7 in typical orbits, 5 in geostationary orbits, 8 in inclined geosynchronous orbits
IRNSS, Indian Regional Navigation Satellite System – 3 in geostationary orbits, 4 in inclined geosynchronous orbits, broadcast L5 and S Band
SBAS – Space Based Augmentation Systems almost all geostationary orbits
EGNOS – European Geostationary Navigation Overlay Service – 2 broadcasting GPS & Galileo corrections
GAGAN – India – GPS Aided GEO Augmented Navigation – 3 satellites
GATBP – Australia – 1 satellite
MSAS – Japan – Multi-functional Satellite Augmentation System – 1 satellite
NMSAS – Nigerian Satellite Augmentation System – 1 satellite
QZSS – Japan – Quazi Zenith Satellite System - 4 satellites that wander N-S from Equator such that 1 is always over Japan
SDCM – Russia – System for Differental Correlation & Monitoring – 3 satellites – GPS and Glonass corrections
WAAS – USA – Wide Area Augmentation System – 4 satellites
Of the 19 SBAS satellites 13 broadcast L1/L5
Paul in PA
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