[opendtv] Re: 200 Mile 8VSB Reception
- From: "Dale Kelly" <dalekelly@xxxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Wed, 17 Jan 2007 17:17:53 -0800
Bert wrote:
> Therefore, if 8-VSB receivers are updated and improved to the point
> where urban reception is good, e.g. in-Mark-Schubin's-apartment good,
> THEN we can finally stop obsessing over COFDM and instead concentrate on
> making things happen with what we've got.
Bert, your like a dog with a bone, in your zeal to defend VSB you simply
will not let go, even when the discussion has changed in your direction. I
had, and do, agree with you that the newest VSB receivers are likely good
enough to do the job but also observed that they are generally unavailable,
which is a critical step in actually getting the job done (this is fact). My
other statement; that it has taken way too long and cost us eight years,
shouldn't cause an argument, it is also fact. We would be way ahead of the
game by adopting COFDM and that too, is fact, which your verbosity can not
change.
However, as I said, I'm past that issue and would like to at least get the
DTV transition jump started with an infusion of large numbers of these new
receivers. However, there is another thing upon which we agree; there are
seemingly other economic forces preventing that from happening.
> -----Original Message-----
> From: opendtv-bounce@xxxxxxxxxxxxx
> [mailto:opendtv-bounce@xxxxxxxxxxxxx]On Behalf Of Manfredi, Albert E
> Sent: Wednesday, January 17, 2007 1:36 PM
> To: opendtv@xxxxxxxxxxxxx
> Subject: [opendtv] Re: 200 Mile 8VSB Reception
>
>
> John Shutt wrote:
>
> > Good for you, Bert.
> >
> > Here is Jan's 1999 report in full. Bottom line: Both systems
> > were received from 62.2 miles away from a 50 KW erp transmitter.
>
> John, I believe in full and honest disclosure. If you mention the
> Sinclair tests, then talk about the Sinclair tests. Not someone else's
> test.
>
> In any event, my takeaway from Jan's test was that in the far field, the
> receivers were roughly equal. "Subjectively, there were slightly more
> glitches using COFDM than using 8-VSB."
>
> Therefore, if 8-VSB receivers are updated and improved to the point
> where urban reception is good, e.g. in-Mark-Schubin's-apartment good,
> THEN we can finally stop obsessing over COFDM and instead concentrate on
> making things happen with what we've got.
>
> It's high darned time, John.
>
> Also, note that the sensitivity of all of the receivers was just so-so.
> All but one were -78 dBm, which is not so impressive. Must have had
> highish noise figures.
>
> Here's an example of making things happen. I notice that Mark Aitken's
> CW 54 station has gone blank in 54-2 and 54-3. Past couple or three
> weeks, I believe. Hey Mark. What are your plans? How about France 24 on
> one of those, as a perfect OTA substitute for CNN? Also, add a third
> subchannel to Fox 45.
>
> Thanks!!
>
> Bert
>
>
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