Hi, I have implemented the APM to my Parkzone T28 Trojan. The APM2 worked out of the box with no modifications in any of the PID parameters. That was - awesome ! Four tips: - WAIT until GPS loc is green before takeoff - before starting mission,…
"Had the same problem. Double check the connections of the GPS unit and the APM.
I had loose connections and when holding the connector to side positions I received a signal.
Bending the little wires within the connector solved the problem. "