Most often ultrasonic transducers are used for distance measurements, and in the DIY world, usually as a way for robots to detect obstacles. But for a weekend project, [Vinod.S] took the ultrasonic ...

Solid-state technology has taken over the major AM broadcast transmitter manufacturers, and up to 40kW of solid-state power is available in FM. When making the decision to buy a new transmitter, there ...

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 ...

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 ...

Looks like the transmitter room of WLS(AM) is in the Christmas spirit. Cumulus Chicago Senior Engineer Tim Wright put up the tree and lights. The site in Tinley Park, Ill., serves as his “office” and ...

The AM transmitter can be used near an AM radio that is tuned to 1000 in order to hear the sound source from the user in the AM radio or send voice and music across the room or street. The heart of ...

The FCC’s FM translator location rule for AM stations was recently amended in the AM Revitalization Second Report and Order. Effective April 10, 2017, FM translators re-broadcasting AM stations are ...

In response to the Nov. 2 letter claiming that new radio antenna towers to be located in the Snohomish valley will cause a health risk: It is simply not true. A report that was submitted to the ...

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 ...

A fire engulfed local radio station KOFI's AM transmitter building early Saturday morning. The fire occurred between 1 and 2 a.m. at a transmitter station on Steel Bridge Road, said KOFI co-owner and ...