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Abstract

A fuzing system and method for arming a fuzing system of a projectile using global positioning system (GPS) information from a GPS satellite system. The system determines when two independent verifications have been met before arming the system. The first verification is the detection of a physical characteristic such as sensed acceleration which, if detected by the system, satisfies the first verification criterion. The second verification is detection of flight data via the GPS signals that are received and processed by the system which also indicates that the warhead has been fired (or launched) from a gun, tube or other launching platform. Only when both of these verifications are satisfied does the system arm or permit arming of the system. The use of GPS information to assist in making the second verification reduces the complexity of the system since GPS signals are typically already being used to guide the projectile.

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First Claim