We’ve been loving the variety of entries to the 2025 One-Hertz Challenge. Many a clock has been entered, to be sure, but also some projects that step well outside simple timekeeping. Case in point, ...

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 ...

[Angus McInnes] has been working on AM radio transmission techniques. He tried out a method of using a VGA port for the task but found the vertical blanking was audible. His latest experiments use a ...

GatesAir is suspending the sale of new AM transmitters. When a prominent radio engineer passed along word to Radio World that he’d sought a quote from the manufacturer on a new transmitter but was ...

1030 WGSF(AM), the longest-running Spanish-language radio station in Memphis, is working to rebuild its transmitter site after it was ransacked in a May copper theft. The station, owned by Butron ...

If a crystal radio is the distilled essence of a radio, this transmitter is the matching distilled essence of transmitters. The transmitter goes together in about 10 minutes, and is small enough to ...

One of the challenging aspects of the coronavirus COVID-19 crisis is the time spent at home in quarantine. For those with a Do-It-Yourself (DIY) bend, this might be the perfect time to build a fairly ...

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 ...