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    Re: Origins of civilian use of GPS
    From: Richard B. Langley
    Date: 2018 Jul 5, 06:29 -0700

    In my writing, I have always been careful to point out the early civilian use of GPS, most recently in Chapter 1 of the Springer Handbook of Global Navigation Satellite Systems and the introduction to my GPS World column of September 2017: http://gpsworld.com/innovation-low-cost-single-frequency-positioning-approach-with-gps-bds-rtk/ Although those are specialized publications and likely to be overlooked by the popular media in doing stories about GPS, fact checkers should do a better job of getting the facts correct. Fake news is rampant these days.

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