[opendtv] Re: Fox stations disappear ... strange reason
- From: Doug McDonald <mcdonald@xxxxxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Wed, 21 Nov 2007 12:07:28 -0600
John Willkie wrote:
Sounds like tropospheric ducting and good, old-fashioned 'non-working' 8-VSB
coming through from afar. You should be able to find the station on the
FCC's web site; it was behind the channel 26 Fox signal.
But as I said, the interference was a CW CARRIER which was
about 1.5 MHZ below the top of the 6 MHz bandpass of
Ch. 26. An ATSC carrier is near the band BOTTOM. An
NTSC audio carrier is near the top, not 1.5 MHz below the top.
An NTSC video carrier is 1.25 MHz above the and bottom.
The interference was, therefore, neither NTSC nor ATSC.
Doug McDonald
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