On Tue, 01 Dec 2009 14:12:18 -0800, David Brodbeck
wrote:

Michael A. Terrell wrote:
RG/62, 93 ohm coax. The same as what IBM used for their early
computer networks.

I've got some 93 ohm coax lying around from when I used some to make a
matching section. Never knew what the original application was for it.
Very interesting.

RG-62/u was used for Arcnet networking,
http://en.wikipedia.org/wiki/Arcnet
and IBM 3270 terminal systems:
http://en.wikipedia.org/wiki/3270

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Jeff Liebermann
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