Short-range-radio co-existence is now possible using CTCSS carrier generation with a 256-B sine-wave lookup table. To allow multiple users to share one carrier frequency, many handheld transceivers ...

In the first part of our series on in-band signaling, we discussed one of the most common and easily recognizable forms of audio control, familiar to anyone who has dialed a phone in the last fifty ...

On July 12, the FCC opened a docket to best address a matter that could impact — for better or for worse, in some cases — full-signal stations. LPFMs, along with others across the U.S., are getting ...