ua

from The Free On-line Dictionary of Computing (8 July 2008)

ua

   <networking> The {country code} for the Ukraine.

   (1999-01-27)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

UA
       Unnumbered Acknowledgement

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

UA
       Upgrade Advantage (MS)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

UA
       User Agent (MHS, OSI)

[email protected]