Accessories are critical for optimizing ham radio performance, reliability and user experience. From beginners to seasoned ...
One of the more popular activities in the ham radio world is DXing, which is attempting to communicate with radio stations as ...
Back in 2009, he built “El Silbo”, a ham ... power to electrical power. The signal is passed through a step up transformer, and used to excite a 75m crystal. Two NPN transistors (in this case ...