Hi.
I just installed and tested my FRSky in my JR-9X.
All is fine.
I know that that FM/PCM output is dead, but would the old antenna cause any problems if I leave it in?
I normally use it as a wind sock (Tie a ribbon at the end).
Also, I remember reading that FM/PCM singal is weakest from the tip. If you can picture a cone growing out of it towards the sky. Hence we would never point the anntena at the plane/heli. Does this hold for the 2.4GHz?
thanks