Re: Topband: XM240 Hi-Q coils

Interesting guys. I have had up a full size Telrex monobander (2 el) since 1995. It has 66 ft full size elements on a 14 foot boom. It has been a killer since it went up. One of the best investments I have ever made. It is 6 ft above an M2 rotary for 80/75 at 112 ft. 73, John, W4NU K4JAG 1959

Re: Topband: XM240 Hi-Q coils

Hi Bill, (If you don't mind, I have shared this to the reflector since I have rx’d other similar questions) I have lately been using 4NEC2 (free and very good program: http://www.qsl.net/4nec2/ ) My model is not a “standalone” 40m yagi, but includes the 80m Yagi on