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Print Satellites

Display a per-satellite table showing constellation, signal strength, elevation, azimuth, and quality for all tracked satellites.

Source: examples/CPP/PrintSatellites/, examples/C/PrintSatellites/, examples/Python/print_satellites.py

What It Shows

Column Description
Constellation GPS, Galileo, GLONASS, BeiDou, SBAS, QZSS
SV ID Satellite vehicle number
C/N0 Carrier-to-noise ratio in dBHz (signal strength)
Elevation Degrees above horizon (-90 to 90)
Azimuth Compass direction (0–360°)
Quality Signal quality level
Used Whether the satellite contributes to the fix

Key Concepts

  • C/N0 > 30 dBHz = good signal, usable for positioning
  • C/N0 > 40 dBHz = strong signal
  • Used in fix = satellite actively contributes to the navigation solution

Running

python3 examples/Python/print_satellites.py