- HD Radio is a new digital technology
HD radio transmission equipment uses space in the sidebands of radio signals
to transmit a digital signal. HD enabled radio receivers can then
receive the high quality digital signal.
Most HD digital signals have far better fidelity than older
analog signals, especially with the AM band. For example HD radio reception of KEX and Radio Disney KDZR
are in crystal clear stereo. FM stations can broadcast more than one
HD signal on each main frequency.
For a list of radio stations that broadcast an HD signal in
Portland, click FM/AM radio and look for the
For a full discussion about HD radio, visit this link,
http://archive.pdxradio.com/messages/208652/335041.html from the
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