Throughout the years that radio broadcasting has existed there has not been a strong need to operate more than one AM transmitter into a single antenna. However, during the past several years vertical ...

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 ...

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 ...

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 ...

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 ...

[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 ...

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 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 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 ...