[Mr. Carlson] bought a Globe Scout Model 40A ham radio transmitter at a hamfest. The 40A was a grand old transmitter full of tubes, high voltage, and a giant transformer. It is really interesting to ...

Though only the richest auto buyers could afford a car with an AM-FM radio in the early 20th century, virtually all cars now produced in the United States come with one. However, those who prefer to ...

This transmitter is basic but allows transmission of audio to an AM radio. It consists of an RF oscillator operating in the AM broadcast band, together with a modulator stage, which mixes the incoming ...

The chances are that many of you will have made an FM “bug” style transmitter, a simple one-transistor oscillator usually driven by a small electret microphone. It’s also relatively straightforward to ...

Monday’s demolition of the nearly century-old three-tower AM array in Downers Grove, Ill., is the latest example of a trend that has become all too familiar. We wondered whether long-range AM signal ...

After plugging an FM transmitter into your auxiliary power outlet (commonly referred to as a cigarette lighter) you'll need to find an unoccupied radio station. Scroll through channels until you find ...

A community owned regional Mexican station on the AM dial licensed for a 5kw Class B signal has a little more oomph, if you will, as it serves local audiences as the Spanish-language home of the MLS ...

The author is former managing partner of Hatfield & Dawson Consulting Engineers and is a senior consultant to the firm. While cell site towers and monopole masts have long been potential nuisances and ...

For a significant period, FM transmitters have served as an integral device for people who love listening to their music or audio material while moving around. These compact, simple-to-operate, and ...

The familiar real estate adage “location, location, location” rings true these days for huge tracts on the outskirts of major cities — sites that for decades housed AM radio towers but that today ...