The invention provides a master controller to store and call up on command a plurality of setups for numerous satellites. An antenna is directed to a desired satellite, the polarization of the feed horn is changed to that of the signal to be received and a receiver or receivers are switched to the proper...http://www.google.de/patents/US4907003?utm_source=gb-gplus-sharePatent US4907003 - Satellite receiver and acquisiton system
