[opendtv] Re: Digital radios outstrip analogue
- From: Tom Barry <trbarry@xxxxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Wed, 02 Mar 2005 20:01:28 -0500
Craig Birkmaier wrote:
> At 1:26 PM -0500 3/2/05, Bob Miller wrote:
>
>>What is the history of the 30 ft mast test? I have thought it was a
>>standard FCC test during analog years.
>
>
> Correct. And thus, since this services was to replicate NTSC service,
> this was assumed by all to be the proper test.
>
And I personally consider the ongoing refusal to question this criteria
as the single biggest hindrance to a digital transition. Requiring this
sort of antenna is simply not a competitive choice for a very large
percentage of the possible consumer audience. Whatever the historical
reasons, it was a DUMB decision and more attention should be directed to
it.
- Tom
>
>>Was it part of the design of 8-VSB? Did the FCC incorporate words to the
>>effect that a 30 ft mast test was integral to whether a modulation was
>>acceptable?
>
>
> Not exactly.
>
> The ATTC assumed this during the testing process, although there were
> a few indoor tests as well.
>
> The FCC got into it when they did their own reception tests in the DC
> area after Sinclair raised the stink about COFDM. The FCC test regime
> was to send out trucks with 30 foot mast antennas.
>
> Regards
> Craig
>
>
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