From: Brian D Williams (talon57@well.com)
Date: Thu Aug 01 2002 - 12:00:29 MDT
>From: Charles Hixson <charleshixsn@earthlink.net>
>Sorry, spectrum is limited, and spread spectrum isn't less
>spectrum consuming, it's more. It just lets you dodge whatever
>frequency is in use at any moment. So high-speed wireless needs
>to be used for short distance transmissions only. (Or for
>directional transmissions, if the frequency is high enough, as in
>orbital communications. But you've got to use directional
>antennas, and you still need to limit the power.
> Means the greater the distance, the tighter a beam you need.)
I've long been a convert to the idea of the Negroponte switch, the
spectrum is far to valuable to use as a broadcast medium, which is
why I agree it will eventually be for interactive use only.
The fiber in your house will carry far more channels then you'll
ever need.
>It nearly is that simple, but if you don't limit transmission
>power you can end up with a very undesirable situation. "The next
>day" needs to be understood as hyperbole. But it wouldn't take
>long.
Actually at the rate congress moves, we would start building the
second we are positive, then when it is actually signed we could
flip the switch.
Brian
Member:
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