Somehow, the USB cable from our Navworx EXP box to the TransMonSPE squawk & altitude sniffer is messing up the wifi from the EXP box. I?m not sure what?s going on (or how to cure the problem).
With the USB cable connected, we have consistent trouble with the EXP wifi, both in staying connected to the EXP configuration app on the iPad and (less frequently) in maintaining a consistent ADS-B device connection on ForeFlight. Although the wifi is a problem, the rest of the system seems to work fine. We flew yesterday and got a clean report from the FAA?s ADS-B report site, and we saw WX and traffic on our MGL Odyssey G2 EFIS and most but not all of the time on ForeFlight.
What?s where:The EXP box is mounted on a plate attached to the side of the fuselage behind the rear baggage bulkhead. The UAT antenna is mounted back there, on the bottom of the airplane, and per instructions is more than 5? from the transponder antenna, which is connected to the transponder cable under the front right corner of the passenger seat pan, just aft of the wing spar. That?s where we?ve put the TMSPE, with its USB cable routed along the right side of the airplane back to the EXP box. The transponder is a Garmin 320a.
Today was the first time we did a bunch of tests all outside our hangar (as opposed to some engine-off tests we did in the hangar, when we were installing everything).
Why might the USB cable be doing this? Any suggestions on how to address the interference?
With the USB cable connected, we have consistent trouble with the EXP wifi, both in staying connected to the EXP configuration app on the iPad and (less frequently) in maintaining a consistent ADS-B device connection on ForeFlight. Although the wifi is a problem, the rest of the system seems to work fine. We flew yesterday and got a clean report from the FAA?s ADS-B report site, and we saw WX and traffic on our MGL Odyssey G2 EFIS and most but not all of the time on ForeFlight.
What?s where:The EXP box is mounted on a plate attached to the side of the fuselage behind the rear baggage bulkhead. The UAT antenna is mounted back there, on the bottom of the airplane, and per instructions is more than 5? from the transponder antenna, which is connected to the transponder cable under the front right corner of the passenger seat pan, just aft of the wing spar. That?s where we?ve put the TMSPE, with its USB cable routed along the right side of the airplane back to the EXP box. The transponder is a Garmin 320a.
Today was the first time we did a bunch of tests all outside our hangar (as opposed to some engine-off tests we did in the hangar, when we were installing everything).
- With the USB cable connected from the EXP to the TMSPE, we have our wifi problem - the wifi signal status (which measures packet loss) on the EXP app jumps all over the place, and the top status light frequently goes to RED/offline. This is true both in flight and in front of the hangar, whether or not the engine is running, and even with the EFIS, transponder, and radio off!!
- Unplugging the USB cable from the EXP unit restores the EXP wifi signal to 100% or thereabouts, and it stays reliably connected to the EXP configuration app and ForeFlight.
Why might the USB cable be doing this? Any suggestions on how to address the interference?