Many people think old AM transmitters are worthless. If a high-level, plate-modulated tube transmitter is replaced by a shiny new solid-state transmitter, why should the old one be kept? Heck, you ...

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 ...

SAND SPRINGS, Okla. — Tulsa County deputies say they were called to the KRMG AM Transmitter Site around 10 o’clock Sunday morning. They say when they arrived they found two individuals who had ...

AM radios are relatively simple devices, and building one is a good way to start exploring the world of radio communications. [GreatScott] does exactly this in the video after the break, building both ...

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 ...

This low-cost AM transmitter is tunable from 10 to 15 MHz with the help of ½J gang condenser VC1, which determines the carrier frequency of the amplitude modulation transmitter in conjunction with ...

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 ...

Bethel public radio station KYUK's old AM tower falls on Thursday, May 11, 2023 as part of a planned upgrade. (KYUK drone imagery) After half a century of use, Bethel public radio station KYUK's AM ...

MANNHEIM, Germany -- Led Zeppelin's Robert Plant used to tune in a crackly AM signal late at night on the radio he smuggled into the bed as a kid in the United Kingdom: the American Forces Network ...