[opendtv] Re: Mobile DTV test
- From: Craig Birkmaier <craig@xxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Mon, 26 Apr 2004 09:31:34 -0400
At 10:59 PM -0700 4/21/04, Eory Frank-p22212 wrote:
>By this measure: In late 2002, there were 80 DTV transmitters in the
>U.K. This is in a country that is slightly smaller than the state of
>Oregon. Perhaps our British colleagues can update us on the latest
>number, which may be larger since the Freeview launch.
>
>In the U.S., there will eventually be 1600 DTV transmitters -- still
>a lower density per square mile compared to the U.K. -- but so far
>no LP-DTV translators. Your observation that the average British TV
>transmitter is only slightly more powerful than the average U.S.
>LPTV transmitter further demonstates a point I have made several
>times in the past -- the need for a well-engineered DTV broadcast
>infrastructure. The U.K., with lots of "medium sticks" is a lot
>closer to that goal than the U.S.
>
>Regardless of the merits of one modulation scheme vs. another, the
>fact is the U.K. has a much more uniform DTV field strength. In the
>U.S., with our geographically sparse mega-stick transmitters, it's
>easy to go from tuner overload to unusably weak signal within the
>same metropolitan area. That is not the ideal way to operate a
>broadband wireless digital communications link, no matter what
>modulation you are using.
>
>-- Frank
EXACTLY!
Regards
Craig
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