[opendtv] Re: Copps proposes more FCC action
- From: "Bob Miller" <robmxa@xxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Mon, 15 Sep 2008 14:36:03 -0400
My last daughter just moved out to an apartment in Queens. She has a
2006 42" Philips Plasma and no cable. I convinced her to try OTA with
a Radio Shack antenna. She has repositioned her antenna near the
window 3 or 4 times and done scans. So far she has found 3, 5 and 6
NTSC channels but no digital ones.
Another outlyer. Now we have three. Next February we will have a few more.
Bob Miller
On Mon, Sep 15, 2008 at 1:42 PM, John Willkie <johnwillkie@xxxxxxxxxxxxx> wrote:
> Signal strength is the problem at Cliff's home. He has a rather serious
> tower to hold his antenna, but it needs to be at least 120 feet higher to
> clear the hill that is between him and Philly transmitters. Clearing the
> hill doesn't necessarily mean he will clear the first subtractive Fresnel
> zone (which is actually worse than the effect of the hill.)
>
> But, I'm not guessing; I've seen the profile graph. It's kind of rough to
> tell someone that to receive signals well, he'll need to extend his tower
> 120-140 feet, and then play with the receive antenna position.
>
> Think of the steel, think of the cable (and loss), think of climbing up and
> down that tower, which would be close to 10 sections, or 200 feet.
>
> Cliff's situation is more difficult than Mark Schubin's. Both are outlyers.
>
> John Willkie
>
> -----Mensaje original-----
> De: opendtv-bounce@xxxxxxxxxxxxx [mailto:opendtv-bounce@xxxxxxxxxxxxx] En
> nombre de Manfredi, Albert E
> Enviado el: Monday, September 15, 2008 9:27 AM
> Para: opendtv@xxxxxxxxxxxxx
> Asunto: [opendtv] Re: Copps proposes more FCC action
>
> Cliff Benham wrote:
>
>> Tonight I counted the number of breakups and freezes that occurred
>> during the 30 minute ABC network news program received OTA from
>> WPVI-DT, Phildelphia:
>>
>> I stopped counting at 23. Several times the pertinant information
>> being presented was lost due to the momentary failures of the ATSC
>> transmission/reception system.
>
> I'm sure we've been over this already, Cliff. What leads you to believe
> that the problem you have has anything to do with modulation? Do you
> have signal strength and echo measurements at your location, to
> determine what the problem is?
>
> I'll bet that echo is not a major issue where you are. My guess is
> signal strength is your problem, and that everything is therefore a
> matter of digital cliff. So what you're probably objecting to is digital
> TV of any stripe. Yes?
>
> Bert
>
>
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