How does this sound to you?
EchoStation is a repeater-control program for Windows which makes it easy to set up a complete, fully-functional repeater or "announcement machine" using a personal computer.
EchoStation is perfect for portable and emergency use, or for clubs wishing to use a PC instead of specialized hardware to control a repeater. It also makes an excellent "store and forward" simplex repeater when connected to a single transceiver.
The software even lets you set up an "announcement machine" which plays scheduled voice announcements over your club's existing repeater, using a radio at another location, such as a home station.http://www.synergenics.com/sc/