On Mon, 2011-05-02 at 19:55 -0400, Joseph Apuzzo wrote:
> But then I'm thinking the info passed is "tweeat" like very short
> messages like "120 casualties at location gps coordinates ..." 

Joe, old bean, you must devote a few months to reading through the last
decade of QST. Everything on your wish list so far has already been
developed, deployed, put into regular use, improved, and written up for
the common ham. It's not all in use in the Hudson Valley, but the
technologies and techniques are out there.

You should also spend some time snuggled up with the FCC regulations to
understand the restrictions they place on licensed services and what
transmission modes they permit on the frequencies allocated to each
service. Much of what you're proposing is *not* permitted, for well and
good reason.

When you want low-speed, ultra-dependable, digital communication, you
have plenty of choices:

http://www.arrl.org/digital-data-modes

For regional communication, you might prefer HF with an NVIS antenna,
rather than a bunch of repeaters running down their batteries after the
lights go out.

It's not that all the good ideas have been developed, but *many* very
bright people have devoted *much* more time to this than you might
imagine at first glance...

-- 
Ed
http://softsolder.com


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