Woody,

In general, you want to isolate the receivers antenna from everything else, including itself. Avoid looping it, tying it in knots, etc. It is best to stretch out the antenna (don't put it under any tension, however) and exit the fuselage as soon as possible. If you run it through the fuselage, run it through a plastic guide tube (this will provide added insulation from interference and also provide protection from moving parts). Finally, most radio manufacturers recommend attaching the antenna high up on the vertical stabilizer for best performance. Hope this helps.