FLARM Receiver Config

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1. 1. 1. RTLSDR-OGN ###

RF: { FreqCorr=+1; # [ppm] "big" R820T sticks have 40-80ppm correction factors, measure it with gsm_scan

 Gain=60;

GSM: { CenterFreq=949.40; # [MHz] find the best GSM frequency with gsm_scan

  Gain=15;   # [dB]  RF input gain (beware that GSM signals are very strong !)

} ; OGN: { SampleRate=1.0;

  Gain=60;

} ; } ; Demodulator: { DetectSNR=10.5;

  ScanMargin=15.0;

} ; Position: { Latitude=48.1860940; # [deg] Antenna coordinates

 Longitude=10.8615790; # [deg]
 Altitude=465; # [m]   Altitude above sea leavel

1. GeoidSepar=43;g# [m] Geoid separation: FLARM transmits GPS altitude, APgS uses means Sea level altitude

} ; APRS: { Call="ETSL"; # APRS callsign (max. 9 characters) } ; <syntaxhighlight>