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Tiny DARPA chip has six-axis inertial guidance for military GPS backup

April 12, 2013 12:08 PM
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Tiny DARPA chip has six-axis inertial guidance for military GPS backup

Before satellites, getting from A to B without radio signals used to involve cumbersome inertial systems found only on advanced civilian and military aircraft.

Those are still the best backup for GPS, and working with the University of Michigan, DARPA has found a way to reduce the once fridge-sized units to half the width of your fingernail. The chips contain everything needed for precise navigation including an accurate master clock, a three-axis gyroscop...

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