Modern radios are often digital affairs, in which the frequency is derived from a stable crystal oscillator and varied through a microprocessor controlled frequency synthesiser. It won’t drift, and it ...

Last time we started a discussion on next steps for IBOC, and focused on multicasting as a potential killer app for HD Radio broadcasters on the FM band. This time we’ll consider the receiver ...

To listen to DAB radio, you need to tune to the correct frequency to receive the service you want, just as you do with AM or FM. However, as the frequencies allocated to DAB are not particularly easy ...

An online flight instructor's lesson was critiqued for inefficient radio usage, including poor phraseology and operational errors. A key mistake highlighted was not pre-setting the next frequency in ...

VARIABLE condensers are now so commonly employed in radio receivers to tune circuits including a constant inductance that the use, some years ago, of variable inductances or variometers with fixed ...