Source : Free On-Line Dictionary of Computing

KA9Q
     
         A popular implementation of {TCP/IP} and
        associated {protocol}s for amateur {packet radio} systems and
        {personal computer}s connected via {serial lines}.  It was
        named after the call-sign of Phil Karn - the radio ham who
        first wrote it for {MS-DOS} on the {IBM PC}.
     
        KA9Q is currently maintained by Anthony Frost
         (call-sign G8UDV) and Adam
        Goodfellow .  It has been ported
        to the {Archimedes} by Jonathan Naylor (G4KLX).
     
        [FTP?]
     
        (1994-11-08)