[opendtv] Re: Digital radios outstrip analogue

Thank you kind sir.

Bob Miller

Cliff Benham wrote:

>From 47CFR,CH. I, 10-01-99 Edition=20
>Subpart E Television Broadcast Stations
>Part 73.686 Field Strength Measurements
>(b) (2) Measurement Procedure
>"All measurements shall be made utilizing a receiving antenna=20
>designed for reception of the horizontally polarized signal=20
>component, elevated 9.1 meters (30 feet) above the roadbed."
>
>
>-----Original Message-----
>From: opendtv-bounce@xxxxxxxxxxxxx
>[mailto:opendtv-bounce@xxxxxxxxxxxxx]On Behalf Of Bob Miller
>Sent: Wednesday, March 02, 2005 1:27 PM
>To: opendtv@xxxxxxxxxxxxx
>Subject: [opendtv] Re: Digital radios outstrip analogue
>
>
>What is the history of the 30 ft mast test? I have thought it was a=20
>standard FCC test during analog years.
>
>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=20
>acceptable?
>
>I have always thought it was.
>
>Bob Miller
>
>Craig Birkmaier wrote:
>
>  
>
>>Perhaps I was reading too much into your emoticon.
>>
>>I thought that you were making a tongue--in-cheek statement about the=20
>>inability of ATSC to deliver bits to mobile/portable devices.
>>
>>The 30 foot mast test was perhaps the most compelling evidence that=20
>>the ATSC system was not designed to replace NTSC, but rather to=20
>>protect it. The fact that the FCC continues to support the absurd=20
>>notion that DTV is a fixed service for fixed antennas says everything=20
>>we need to know.
>>
>>Obviously, a properly designed terrestrial broadcast network would=20
>>ONLY need an antenna on a 30 foot mast for the folks who live=20
>>significant distances from the market from which they are trying to=20
>>receive the broadcasts. And this assumes that there would not be gap=20
>>fillers to provide them with the same ease of reception as the people=20
>>who live in urban/suburban areas.
>>
>>Regards
>>Craig
>>
>>    
>>

 
 
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