The QRPer Board

Good for you! Wandering the bands, lower frequencies, very interesting stuff. I have been a listener for more than 50 years. I found that I just needed to get / make a simple switch and run a few different wires around whatever space I had. I would certainly try more wire in the air at those frequen...

If the bandpass response is the crux of what you want, a pi-network design or "ultimate" transmatch design with qrp components will also do the job. I use a pi-network (looks a lot like the very common "T" match circuit with with components in a different arrangement and a somewh...

If you don't have a 4:1 or 9:1 around to try, just cut your feedline or add a few feet to it. Try trimming or lengthening the antenna or counterpoise by just a few feet. I have some short alligator clip lengths of 1 ft, 2 ft and 3 ft and I also have short lengths of 300 ohm line and coax. I can almo...