[opendtv] Re: Reception Issues
- From: "John Willkie" <johnwillkie@xxxxxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Wed, 24 Oct 2007 01:03:23 -0700
John;
That could account for it. However, one of those dtv channels would be an
interesting datapoint, because it is on channel 55.
And, the ducting could be outside the Santa Barbara-to-Ensenada corridor.
My first thought was that it didn't make much sense, but it's entirely
possible for the ducting to have been elsewhere, and have interfered with
all DTV reception here. Or, the predictions could have been wrong.
That could also account for something that I'm still not entirely sure
about, but I think I saw KXLA on Channel 4, which is occupied by KNBC. KXLA
uses some translators to spread out their signal. Perhaps one in the high
desert is on channel 4. Or, maybe some technical glitch put the KXLA signal
(callsign in the upper left of the screen) on the KNBC analog stream.
John
-----Mensaje original-----
De: opendtv-bounce@xxxxxxxxxxxxx [mailto:opendtv-bounce@xxxxxxxxxxxxx] En
nombre de John Shutt
Enviado el: Wednesday, October 24, 2007 12:45 AM
Para: opendtv@xxxxxxxxxxxxx
Asunto: [opendtv] Re: Reception Issues
John,
If I had to bet, I'd bet that a distant NTSC or ATSC on the same frequency
as your local ATSC temporarily knocked out your service.
However, not knowing the Southern California markets, and not being inclined
to spend hours with the broadcast & cable annual, I couldn't say for sure
something like "you have local ATSC 21, and there is an analog 21 150 miles
away."
John
----- Original Message -----
From: "John Willkie" <johnwillkie@xxxxxxxxxxxxx>
> I can consider the ducting/anti-ducting issues with respect to ash, etc.
>
> But, why would I have better than normal reception of analog and digital,
> then all digital drops out, but analog reception improves temporarily? It
> seems to me that the atmospheric effects would apply to NTSC and 8-VSB
> modulation.
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