The technology is used by both AM and FM stations, and it allows broadcasters to air original analog signals alongside ...

HD Radio transmits the digital signals in unused portions of the same channel as the analog AM and FM signals (in-band on-channel). As a result, radios are more easily designed to pick up both ...

HD Radio allows conventional (or terrestrial) AM and FM stations to broadcast their content over digital signals. Appropriating an abbreviation from high-definition TV, HD Radio offers better ...

What is HD Radio on WWNO? HD Radio allows WWNO to broadcast news, music and other radio programs digitally, on the same frequency as the station’s traditional signal, and with “CD-quality ...

A new survey finds AM radio is still present in 98% of car dashboards, while FM radio is present in 100%. Car tech research ...