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Technical Support / 'no ADSB' error on Trig TT21

« on: January 18, 2020, 09:24:05 pm »

Our new PilotAware unit is working well and showing traffic. However having connected it to the Trig transponder using the recommended Farnell cable, I am constantly getting a 'no ADSB' error message on the transponder in the air. The transponder is OK on the ground, but when airborne and when I assume it is being interrogated by secondary radar it shows the error. I am pretty sure that I connected to the correct pins on the transponder plug, pins 5 and 6. (Peter says 4 and 5, but 4 and 6 are both ground connections so hopefully that is OK). I will go to the airfield this week and double check my connections.