We have been chasing down problems in our ADS-B in/out system installation for several months. We think we've got everything working properly now, but on yesterday's flight to San Antonio our GRT Horizon HXr EFIS was not depicting any traffic.
Interestingly, it *was* displaying traffic along the Texas Gulf coast, but not around the much busier airspace of San Antonio.
Thankfully, we have the Nexus 7/Garmin Pilot/GDL-39 combo running in the back cockpit (which has been invaluable for troubleshooting the in-panel installation), and it, too, was not displaying ANY traffic.
This seems to indicate a problem with the ground-based portion of the ADS-B system itself around San Antonio -- but how would we know? Thus, the question: Is there any place I can check for a NOTAM on the operational status of individual (or area) ADS-B transmission towers?
Interestingly, it *was* displaying traffic along the Texas Gulf coast, but not around the much busier airspace of San Antonio.
Thankfully, we have the Nexus 7/Garmin Pilot/GDL-39 combo running in the back cockpit (which has been invaluable for troubleshooting the in-panel installation), and it, too, was not displaying ANY traffic.
This seems to indicate a problem with the ground-based portion of the ADS-B system itself around San Antonio -- but how would we know? Thus, the question: Is there any place I can check for a NOTAM on the operational status of individual (or area) ADS-B transmission towers?