A system for acquiring the beacon of a satellite and synchronizing data transmission between the satellite and a ground terminal is disclosed. The ground terminal conducts a search for a satellite to be acquired. The search may be based on previously developed information from which the location of the...http://www.google.com.au/patents/US5936570?utm_source=gb-gplus-sharePatent US5936570 - Low-earth orbit satellite acquisition and synchronization system using a beacon signal