Patent ID: 7894948
Filing Date: 2011-02-22
Classification: G01S,G05D

Abstract:
1. A method for coordinating operations of a group of two or more entities, said method comprising: communicating location information derived from global positioning system (GPS) data corresponding to the geographic location of a first one of said entities of said group to at least a second one of said entities of said group by transmitting a RF signal pulse from said first entity to said second entity at a time delayed relative to a time of a provided first synchronized clock pulse, the value of said time delay being based on said location information; determining said geographic location of said first one of said entities of said group based on said time delay value determined from said RF signal pulse received by said second one of said entities of said group; and controlling a directional path of at least said second one of said entities of said group based at least partially on said determined geographic location of said first one of said entities of said group relative to the geographic location of said second one of said entities of said group.