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dxAce · September 12th 07, 01:54 PM posted to rec.radio.shortwave

David wrote:

On Tue, 11 Sep 2007 14:09:05 -0700, wrote:

Your old radios will still work; the high-definition (HD) signal
that's currently in use is compatible with good old-fashioned AM
receivers. This is because the digital information is placed (in
frequency) above and below the analog signal. There are couple of HD
stations here in the Washington DC area, and on any AM receiver I've
used so far, including my antique tube radios, this digital "hash" has
not bleed through to the audio stages. When accurately tuned to an HD
station, the voice and music sound just as it always has.

That's total BS. All the highs are gone.

I seem to have noticed that to some extent on WLS 890 out of Chicago. Perhaps
Mr. Maus, who is closer in can give us his experience with that.