[aprssig] 9600 baud SuperSite for LA

[Spider]

Bob and All,

I ran 9600 baud nodes for a few years.....as a backbone for 220 2400 baud 
nodes and 2m 1200 bad nodes as well as running a node on a 4800 baud 6m 
system.
Guess what?  9600 baud is not going to fix So Cal.  It's not as fast as you 
think in a Packet mode.  And with most all the amateur mods, the radios 
pretty much have the same txd's and tails, etc.  The actual savings is not 
impressive.  And that is not to mention the added bandwidth required which 
requires paths that are better designed, etc.
So Cal area needs to be focusing on real microwave backbones running 56k or 
T1 or better in a full duplex link arrangement.  THAT's why the internet 
works so good as a backbone....it's cheap, it's there, and it works!
Regards,
Jim, WA6OFT

----- Original Message ----- 
From: "Robert Bruninga" <bruninga at usna.edu>
To: <aprssig at lists.tapr.org>
Sent: Thursday, January 06, 2005 4:30 PM
Subject: Re: [aprssig] 9600 baud SuperSite for LA


> More inputs on the 9600 baud Super site:
>
> 1) One of the local TNC's can be on the tracker input of 144.99
> 2) Another one can be on a link from San DIego
> 3) Another one can be on a SPECIAL VHF freq for use
>    by special people or events
> Since the ROUTER does dupe elimination and seamlessly
> inserts ALL packets into the 9600 baud stream, you can
> easily use these multiple receivers to spread out the local
> QRM load tremendousely.
>
> Just remember that anthing that comes into the router from
> other than a local 144.39 ALOHA area wont be heard by
> anyone else except the Super Users and the internet.
>
> For this reason, you could make an exception for the low
> power 144.99 tracker channel and let it digipeat back to
> 144.39.  I'd do it at low power so that it can be heard
> donw in the ALOHA areas if the channel is clear, but if
> not, it is so weak as not to QRM any of the lower digis.
>
>>>> bruninga at usna.edu 1/6/05 3:08:53 PM >>>
> I can't resist.  I consolidated all the topics relating to
> a SUPER-SITE at 9600a baud and made a WEB page:
>
> http://www.ew.usna.edu/~bruninga/aprs/superlan.html
>
> It condenses all the 9600 baud UHF stuff that has been
> on the bottom of my "fix14439" web page into a good
> concrete example...   de Wb4APR, Bob
>
>
>
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