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U.K. Looks To 1950s Technology for GPS Fall Back

A technology that dates back to the 1950s is being trialed in the world’s busiest shipping lanes to provide highly-accurate navigation that is not dependent on the weak, and easily jammed, satellite signals. Called eLoran, the system uses high-power, low-frequency, radio transmitters, nine of them across Europe, to provide a location signal. The system has […]

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