I'm at my wits end trying to figure this out and need your collective help.
I'm running a Trig 31 transponder, ACK 30.5 encoder, Garmin 496 GPS, ( I know it's not 2020 compliant, but many others are running this and it works), Skyradar D2, and running WingX Pro. The only uncommon denominator between several working setups and mine is the ACK30.5 encoder. It's brand new and works as far as ATC can see.
All the settings have been verified with Trig and others that are using similar setups. The boxes are talking to each other.
The altitude on the face of the Trig and what ATC see's is correct. The ADS altitude that I put out is wrong and jumps around on WingX. All other indications are correct from other planes in the area.
My big question is where does the Trig get the altitude it sends out for ADS, and, how can it be sending out and indicating the correct altitude to ATC but the wrong ADSb out?
I do know that ACK makes a block 9 mod but the only difference in the 5 and 9 is the 9 has provisions for a GPS 232 altitude input if you have a device that can barometricaly correct GPS altitudes. I don't have anything that can do that.
Any ideas out there from you avionics experts.
I'm running a Trig 31 transponder, ACK 30.5 encoder, Garmin 496 GPS, ( I know it's not 2020 compliant, but many others are running this and it works), Skyradar D2, and running WingX Pro. The only uncommon denominator between several working setups and mine is the ACK30.5 encoder. It's brand new and works as far as ATC can see.
All the settings have been verified with Trig and others that are using similar setups. The boxes are talking to each other.
The altitude on the face of the Trig and what ATC see's is correct. The ADS altitude that I put out is wrong and jumps around on WingX. All other indications are correct from other planes in the area.
My big question is where does the Trig get the altitude it sends out for ADS, and, how can it be sending out and indicating the correct altitude to ATC but the wrong ADSb out?
I do know that ACK makes a block 9 mod but the only difference in the 5 and 9 is the 9 has provisions for a GPS 232 altitude input if you have a device that can barometricaly correct GPS altitudes. I don't have anything that can do that.
Any ideas out there from you avionics experts.