Hello fellow simmers,My radio stack of the default C172 is not working. I can

Looks to be your aircraft.cfg file is amiss.Check these is the way it should read for the default panel:{Radios}// Radio Type = availiable, standby frequency, has glide slopeAudio.1 = 1Com.1 = 1, 1Com.2 = 1, 1Nav.1 = 1, 1, 1Nav.2 = 1, 1, 0Adf.1 = 1Transponder.1 = 1Marker.1 = 1A little info on the above entries: the first number behind the = is if the radio is in the aircraft 1= yes 0= no. The second number signifies if the installed radio has stanby freq. The 3 number on the Nav radios is for glideslope. If this section doesn't match the radios that are installed on the panel radios will not function properly.

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Thanks,I

Then it's possibly a problem with the radio gauges, although hard to believe that 2 of them would become corrupted simultaneously. Try reinstalling the gauges.Or for something completely radical replace the gauges and/or panel with the one from FriendlyPanels.com.