First thing to check would be your antenna. The best design I have seen -- compact and pretty effective -- involves cutting a piece of cardboard or styrene with pinking scissors to give is a zig-zag edge. Then, wrap your antenna around it, moving to the next point on each turn. This keeps the antenna from crossing over itself and keep it flat, thus effective but easy to mount out of the way.
Failing that, look into the servo smoothers. This buffers the signal from the TX and averages it over a time slice, filtering out spikes but also lengthening the response time some. You have to thing a little farther ahead with one. Vance Bass
