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Old narco AT165 transponder and mode C problem.

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625NFL

625NFL

Well-Known Member
Joined
Dec 11, 2017
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Flying today and before departing the area ATC adviced they were not getting my altitude info. I have a Narco AT165 and a ACK A30 encoder. Unsure of which one is bad because atc also told me that my primary radar info was intermittent. Any suggestions? Someone told me to replace to the encoder.
 

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