On Mon, 23 Aug 2004 08:11:10 -0500, EDWARDS, EDDIE J wrote: > I think the right ferrite mtl >to use is either 73 or 77; if wrong, someone on the list will certainly >correct me! :-) For 20 meters, I would use 2-3 turns around #31 (best) or #43 (second best). My comments are based on a lot of measurements. Jim Brown K9YC