Quote Originally Posted by Shawn McGinnis View Post
My gut is saying it seems like you are only getting the 1090 and not the 978 UAT. I'm not sure on the GDL-39 data path as it's a bit non-standard for us but it should be a dual band receiver. You might go check what "ADS-B In Capability" you have selected on the TailBeacon. Changing between 978 and 1090 may get the data coming in more reliably.
I'm guessing this will be found via SET->CAL. Can you please give me the rest of the path to this setting?