I remembered there was some discussion about 50 ohm and 75 ohm connectors. The centre pin is a different size so you can’t mix them. Maybe your problem?
https://discussions.flightaware.com/t/strange-problem-with-my-fa-antenna-installation/20418/5
I remembered there was some discussion about 50 ohm and 75 ohm connectors. The centre pin is a different size so you can’t mix them. Maybe your problem?
https://discussions.flightaware.com/t/strange-problem-with-my-fa-antenna-installation/20418/5