Yeah, that sounds right... just weird that I get traffic. Maybe my transponder GTX-33ES is picking those up? This used to work. I think when I tried to hook up the INS-429 for nav, I jacked it up. Thanks!
Bruce,
I disabled GTX supplied TIS-A traffic when I installed the GDL 39R in 2011 and have never seen a reason to re-enable it. ADS-B traffic is always better