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 ...

As transistor radios and their price tags got smaller, music stations on AM radio grew in popularity. As hard as it might be to believe, it was not so long ago when AM radio ruled. Cool kids listened ...

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 ...

Here’s a question: when did you last listen to an AM radio station? If your answer is “recently”, chances are you are in the minority. You might ask: why should you listen to AM? And you’d have a ...

Nick’s Signal Spot is a new feature in which Nick Langan explores RF signals, propagation, new equipment and related endeavors. It’s almost Halloween, so what better time to do some grave digging? I ...

Many years ago, someone asked singer Tom Waits about his favourite sounds. He replied, “a baseball game on an AM radio on a warm summer night.” He’s not wrong. To generations of radio listeners, there ...