Boys, I'm installing my third ADS B out in a Cherokee 235. This one is a Garmin GDL 82, the 978UAT using the same XPR and encoder. The one on the back page of TAP. I've done a Appareo Stratus and a BKing KT 74 coupled to Garmin 530. The GDL raises a question to me and this is the 1st I have...