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GNSS: What are the default base signal powers for the GNSS constellations and why are these values used?

Environment/Versions

Positioning Application

SimCHAN

Answer

In all cases Spirent uses the minimum receive ICD level as the reference power level. In the L1 band those are:

  • -130 dBm GPS
  • -130 dBm SBAS (WAAS, EGNOS, MSAS)
  • -131 dBm GLONASS
  • -122 dBm Galileo
  • -133 dBm Beidou

Product : SimCHAN20,SimCHAN,SimPLEX35,SimPLEX45,SimREPLAYplus,SimREPLAY,SimGEN,PosApp,Simulator