[opendtv] Re: Martin: 15% of Stations Face Smaller DTV-Coverage Areas
- From: "Don Moore" <don@xxxxxxxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Thu, 18 Sep 2008 20:56:40 -0400
Frequency is always an issue with propagation.
Having been at Chief Engineer at a Channel 20 and a Channel 61, I can
tell you that not all 5 Million Watts are equal.
Sure it looks good on paper; but the real world is another matter.
Don Moore
Greensboro
On Thu, Sep 18, 2008 at 7:15 PM, Manfredi, Albert E
<albert.e.manfredi@xxxxxxxxxx> wrote:
> Dale Kelly wrote:
>
>> I should have said; "[replicating VHF covergae with UHF is] not ALWAYS
> practical."
>
> Dunno how this will play out, Dale. Because from what I've seen:
>
> 1 MW UHF close to 50 mile range is solid, good signal margin usually.
> Long range analog VHF at 316 KW is also very watchable, unless noise
> creeps in, which it can.
>
> But on the other hand, how will digital 5 KW or even 13 KW VHF compare
> at that range? That's what we'll be finding out here.
>
> Also, I have no doubt that 1 MW digital UHF at long range is hands down
> better than 5 MW analog UHF, same range.
>
> Over here anyway, I'd guesstimate that digital 1 MW UHF coverage is the
> "equal" of analog VHF at that 300+ KW level. Of course, I haven't driven
> around in a van to check this out, but I have tried multiple antenna
> configurations and receivers.
>
> Bert
>
>
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