Subj : Using AX.25 packet w/older analog equipment
To   : All
From : Damon A. Getsman
Date : Sat Feb 21 2015 08:14 am

  Forgive my naivety in the area, I'm still definitely learning the basics in
this area (don't even have a rig yet, obviously).
  I was shopping around on Ebay trying to see what might be a good set of price
ranges to start looking for a used transceiver that can work with AX.25.  I
noticed a whole lot of older, more vintage equipment, that appears to be
analog, that is within the outskirts of my [current] price limitations.
  Assuming that the mic in is matched with a line or audio out jack (and not
just a built in speaker-- though that could be worked around easily on this
older & bigger equipment), that is really all I'd need to work with for AX.25,
no?  At least if it's handled at the kernel level of my machine; I understand
that for OpenBSD I might need to actually get a modem that'll dump the in/out
to my serial port.
  Can anybody tell me if there are any inherent limitations of this analog
equipment that I'm not aware of that'll keep me from being able to utilize
AX.25 from it?  I don't know any, but obviously I haven't even taken my test
yet; I want to make sure that my first system is capable of packet as well as
voice xmission.
  The one I was just looking at, for instance, was a National NCX-200
w/matching power supply.
  Thanks for your time!

  -Damon
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