Summary of GNSS parameters

GPS, Galileo, GLONASS, BeiDou

Paramters for each of the GNSS

ParameterGPSGLONASSGalileoBeidou
First launch22-Feb-7812-Oct-8228-Dec-0513-Apr-07
FOC17-Jul-9518-Jan-9620122013
Servicesmilitarymilitarycommercialauthorized
civilcivilopenopen/commercial
Number of SV31242727
Orbital planes6333
Inclination55°64.8°56°55°
Semi-major Axis [Km]26560255082960127840
Period11h58m11h15m14h05m12h50m
Coordinate frameWGS-84PZ-90GTRFCGCS2000
Time systemGPSTUTC (SU)GSTChina UTC
CodingCDMAFDMACDMACDMA
Frequencies [MHz]L1:1575.42G1:1602E1:1575.42B1-2:1589.74
L2:1227.60G2:1246E5a:1176.45B-1:1561.1 (E2’)
L5:1176.45G3:TBDE5b:1207.14B2:1207.14 (E5b)
  E6:1278.75B3:1268.52 (E6)
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Garrett Seepersad
Navigation Engineer

In pursuit of knowledge to enable high precision positioning at a significantly lower cost.