Amateur radio is the only hobby that offers its licensed operators the chance to legally design, build, and operate high power radio transceivers connected to unlimited antenna arrays for the purpose ...

What are harmonics in RF systems? A given signal’s second harmonic is approximately twice the given signal’s fundamental frequency. Ideally, amplifiers are expected to have zero non-linearities in the ...

Radio headsets and scanners are a great way to enhance the fan experience during a race. While watching the cars speed by, scanner radio users can listen to driver radios to add more context to a ...