We will have all at some point seen a fascinating project online, only to find not enough information to really appreciate and understand it. Such a project came [Bill Meara]’s way over at the ...

This article is intended to introduce the beginner to the interesting and challenging art of high frequency radio design. It is also intended to entice the seasoned professional to take a deeper look ...

A couple of years ago one of the Hackaday Prize finalists was a project to take highschoolers through building a direct conversion radio receiver for the 40 metre amateur band. It was originated by ...

As discussed in Part 1 of this series, as the frequency of a single or coupled tuned circuits is increased, the selectivity decreases to the point that there may be insufficient selectivity at the ...

An unheralded group of Vietnam War-era Army signals intelligence officers took a step into the daylight Friday to donate one of their favorite radios back to its manufacturer. The 265th Radio Research ...

MCMURDO STATION, THE United States’ outpost in Antarctica and flight hub for the white continent, is completing a communications upgrade that will make flights safer and air traffic control (ATC) less ...