PiAware 3.6.3 - Aucun avion détecté/No aircraft detected

FlightAware ADS-B Flight Tracking
14

That is your problem right there. Won’t work properly for ADS-B. If it works at all reception will be extremely bad. (Or no reception at all if you combine it with a bad antenna)

Check this thread here for some discussion on the tuner chip:

Rtl_test -t Failure - #2 by abcd567