There's a ton more reading on the subject. Here's a starting point where 
you'll see the different standards for digital broadcast worldwide. Bottom 
line, if you have a STRONG digital signal, you'll be OK. Anything less, then 
all bets are off. That's not to say it won't work, it just becomes 
unpredictable.

http://en.wikipedia.org/wiki/Digital_terrestrial_television

Chuck

----- Original Message ----- 
From: "Chuck Kelsey" <wb2...@roadrunner.com>
To: <Repeater-Builder@yahoogroups.com>
Sent: Monday, February 23, 2009 10:37 AM
Subject: Re: [Repeater-Builder] Somewhat OT - How to make HDTV *really* work


> Dynamic multipath interference, in which the delay and magnitude of
> reflections are rapidly changing, is particularly problematic for digital
> reception. While this just produces moving and changing ghost images for
> analog TV, it can render a digital signal impossible to decode. The
> 8VSB-based standards in use in North American ATSC broadcasts are
> particularly vulnerable to problems from dynamic multipath; this has the
> potential to severely limit mobile or portable use of digital television
> receivers. Solving the problem might require that different standards be
> adopted for mobile use.
>
> Chuck
>
> 

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