>> ... satellites ... ?I have read up a bit on it ...
Hope you have this site bookmarked ...
>> ... have a yagi ...
Which one?
>> ... Can packet or other data be sent through a sat voice repeater, or is data a special case?
The ISS' packet station allows APRS data to be sent through it ... What are you thinking of doing?
>> ... Also, I am curious about the feasibility of setting up a motor-driven antenna to track a sat when it is in view. Has anyone done this?
Rotator, Yagi, computer-control - all standard fare!
>> ...??I want the station to be unattended for periods of time ...
What are you thinking of dong? Sure sounds like a "non-ham-radio" application of some sort (grin).
Clint K6LCS