[opendtv] Re: Doug is Missing the Point
- From: Doug McDonald <mcdonald@xxxxxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Wed, 15 Feb 2006 15:26:17 -0600
Ian Mackenzie wrote:
>
> where the people are.
>
> This is where Doug doesn't understand what COFDM is all about.
> Why put an "Earth Scorcher" in a remote location to cover a population
> density that probably meant 10 watts or more per viewer when a COFDM
> SFN transmitter nearby will give better coverage.
Well yes, that is what COFDM can, in some cases do.
BUT ... what ATSC is about is serving everybody in every ranch house,
WITHOUT added 10 watt transmitters ... which cost a BIG bundle
with COFDM SFN ... an SFN station costs a whopping big amount to set up,
whether it is one watt or 5000 watts. Only for really big powers or
big sticks does the price rise. It is FAR more expensive than a
translator or repeater, because it requires a feed that must come
over microwave or fiber, and expensive synchronization equipment.
As to Australia ... what fraction of it is ACTUALLY covered ...
ALL PROGRAMS ... by SFN?
Doug McDonald
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