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Re: Mobile Comm.

 writes:
> 
> >Amateur (packet) radio...has it's limiations.  Here's 
> >what I found out as of about one year ago.  Perhaps there 
> >have been some improvements (see my second and third points).
> 
> There must be someone on one of these lists who is in the loop here...My
> knowledge is dated approximately to the same degree.
> 

	HAM packet radio has gone a long way in the past few years.
9.6-19.2KB is pretty standard now - there are a lot of plug-and-play
systems available now (starting from nothing, they will run you about
$500/node).  56KB is also available in standard kits, but apparently 
requires more playing around to get everything to work right 
($700-$1000/node).  It is possible to go faster, but these sorts of
systems are much more experimental.  BTW: 1.2KB systems are very common -
used systems are probably easily had for ($100-$300).

	Here are a few links:

Medium & High-speed packet:
http://hydra.carleton.ca/articles/hispeed.html

N6GN's Higher Speed Packet Page:
http://www.tapr.org/~n6gn/

WA4DSY 56KB Modem page:
http://www.wa4dsy.radio.org/

TAPR packet radio page
http://www.tapr.org/tapr/html/pkthome.html

TAPR spread spectrum page:
http://www.tapr.org/ss/

Linux/packet info:
http://sunsite.unc.edu/LDP/HOWTO/AX25-HOWTO.html

	Andrew Fagg
	UMASS CS

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