A method and system for determining three-axis attitude from line-of-sight (LOS) solutions for two or more GPS satellites uses intersections of null cone patterns and LOS vectors to the GPS satellites. In a preferred embodiment, a unified GPS-based sensor also provides navigation information.
                                                                               Keywords:  GPS,  phased array
            
      
                                                                                                                                                                       International Class:  G01S3/38,  G01S5/02,  G01S19/21,  G01S19/26,  G01S5/14,  G01S5/14