http://web.tiscalinet.it/vcoletti/pic/keyer/beacon.html If you ever build the beacon, or if you have the idea of building one, there is a ...

http://www.w1ghz.org/MBT/multiband.htm   The idea of building this project was how cheap and simple you can build the 23cm transverter that...

I needed a filter for my 13cm transverter project. What was the best buy option? Thinking and looking for the simple filter but with the cha...