[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 ...

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 ...

My first thought when I heard we were going to replace our 16-year-old Nautel ND50 transmitter with a Nautel NX50 was, “Where are we going to put it?” Our site at AM 670 KLTT was out of room. We had a ...

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 ...

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 ...

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 ...

THE YEAR WAS 1906. On Christmas Eve of that year, Canadian inventor Reginald Fessenden carried out the first amplitude modulation (AM) radio broadcast of voice and music. He used a high-speed ...

BAINBRIDGE ISLAND – A Washington-based subsidiary of Salem Media Group plans to add a new AM radio transmitter to its broadcasting site near Murden Cove and a residential neighborhood on Bainbridge ...

LONDON — The United Kingdom’s Absolute Radio may have to close its AM network of transmitters, the station has warned in a letter to media regulator Ofcom. The Bauer Media-owned broadcaster is ...

Listening to local radio can cause robins to lose their way. Biologists have proved that the electromagnetic ‘noise’ from AM radio transmitters interferes with the Earth’s magnetic field, which ...