In article ,
"Tom Holden" wrote:

I think it means "Computer Aided Transceiver" but, while the acronym is
commonly used, it's rare to find it expanded. The Icom CI-V protocol is a
specification for a CAT interface. There is a good listing of CAT
applications and interfaces at http://www.dk0tui.de/ham/ham_cat.html.

According to this page DxAce had it right, Computer Aided Technologies.
http://www.scancat.com/

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Telamon
Ventura, California