There are two ways to deal with improving ham radio receivers, or — for that matter — any sort of receiver. You can filter and modify the radio frequency including the radio’s intermediate frequency, ...

Crystals are key to a lot of radio designs. They act as a stable frequency source and ensure you’re listening to (or transmitting on) exactly the right bit of the radio spectrum. [Q26] decided to use ...

As the roaring twenties came to a close, radio technology would continue to evolve with significant improvements to consumer sets, particularly in the area of shortwave reception. Read my past ...

Glenn Morrison, president of the Desert Radio Amateur Transmitting Society, a Palm Springs-based club dedicated to everything ham radio. Photograph: Adam Amengual/The Guardian Ham radio users, from ...

The article that appeared in this magazine and in EDN last year about ham radio in the 21st century generated a lot of interest and a lot of questions about various aspects of the hobby. This article ...

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 ...

Feb. 16—PENDLETON — As several students huddled around him, Mike Cook strained to hear a clear voice through crackling static coming from the speaker of his ham radio console. "Some people can't hear ...

Add Yahoo as a preferred source to see more of our stories on Google. Feb. 16—PENDLETON — As several students huddled around him, Mike Cook strained to hear a clear voice through crackling static ...