Join Date: Apr 2006
Thanked 160 Times in 157 Posts
Rep Power: 12
Urban myth, Roger. It isn't that easy to get a good return from foil. The angles, and the dimensions, have to be "just right" and then, it's called "chaff".
I'd say buy some surplus chaff to have real fun, but IIRC the military stuff is matched for a different frequency.