[SixClub] computer to rotor interface wanted

[Dennis Kaylor]

hello all
i know this is a touch off topic but here goes
i am slowly working on getting into amatuer Satellites and i have the 
antennas and the rotor now all i need is the computer interface to 
comtrol the rotor
the rotor is a Yaesu G5400b
if you know of  a commerically available interface please let me know
i am unable to build anything so please dont suggest one that needs to 
be constructed
thanks