hi there, i just have a quick prolem to anyone who can help.

I have a piper cub that i have purchased second hand.. and it seems to be in good condition. however, when i turn on my transmitter and the reciever, the plane controals only work when im within a 2 meter radius of the plane. any further then this and nothing.
is this a power problem (my transmitter battery is putting out the propper voltage) or is there somthing else i may have missed.

any help is greatly appreciated

mik