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Precision Kinematic Alignment Using a Low- Cost GPS/INS System

Tight GPS/INS coupling has been shown to be an effective way of providing accurate position, velocity and attitude information using low-cost components. This paper describes test results for a system that uses an improved kinematic alignment algorithm suite that provides a high-quality navigation solution using direct carrier-phase and pseudo-range GPS measurements tightly coupled with measurements from a low-cost IMU system. The test data shows the utility of an airborne and ground based version of this system for use in precision registration of video imagery. This has applications for generating target coordinates and also for use in mapping and navigation for a variety of military and civilian applications.