Many Ham Radio operators in the United States participate ... is the fact that most cable companies now broadcast public WiFi hotspots from residential and commercial routers.

(1) See also HD audio. HD Radio simultaneously transmits a digital version of the analog broadcast and also provides a second digital channel, which can be used for alternate radio programming or ...

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 ...