[opendtv] Re: 200 Mile 8VSB Reception
- From: Craig Birkmaier <craig@xxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Fri, 19 Jan 2007 08:35:07 -0500
At 11:19 AM -0800 1/17/07, Dale Kelly wrote:
Where does it mention 'Low Power", I seem to have missed it.?
Mountaintop to mountaintop reception over great distances is the
norm with analog stations as well as with digital and is no
surprise. Our UHF station in LA (Mt. Wilson ch.54) is routinely
received in your hill top areas, including Tijuana. Our analog and
digital signals in the Fresno area, at 8000' elevation above the
valley floor, are viewed across a nearly 400-mile area from
Bakersfield to Stockton. COFDM, at equal power levels, would also
amazing have coverage. As mentioned by Bob Gonsett, weather fronts
do tend to be disruptive to these signals, over the relatively short
term.
When I moved to Grass Valley in 1981 I stayed in a small cottage at
the top of a ridge with a view out to the Central Valley. Doc Hare
built the cottage for his mother-in law, while he built his house
down on the side of the hill (not really a mountain). After
experiencing my first winter storm in the cottage, I came to the
conclusion that he did not like his mother-in-law very much. It was
not uncommon to get 70 MPH wind gusts along with continuous sheets of
rain.
It was also not uncommon to receive more than twenty TV stations via
rabbit ears on a TV in the cottage. I could get excellent reception
of the Sacramento, Stockton, and North Valley stations (Chico I
think). The San Francisco stations were a bit more spotty, due in
part to the mountains on the west side of the valley, but when the
weather was good They were all watchable, and sometimes near perfect.
I could also pick up stations from the South Valley (Bakersfield)
when the conditions were right.
But when one of those pacific storms blew in the TV reception went to
hell. Even the Sacramento stations were degraded. When we moved into
our home in Rough and Ready, the situation was totally different. We
were only about 200 feet lower in elevation than the cottage at GVG
(about 1700 feet), but there was terrain blocking from a nearby
ridge. We had decent reception of the Sacramento and Chico stations,
but only on rare occasions could we get the SF stations.
Regards
Craig
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