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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Position-Finding

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    Protecting GNSS and Users - The Ideal APNT
    From: Richard B. Langley
    Date: 2018 Oct 5, 06:02 -0700

    "To best protect their citizens, economies and national security, policy makers should look for several specific characteristics in APNT [alternative positioning, navigation, and timing] systems and how they should be deployed."

    More: http://insidegnss.com/protecting-gnss-and-users-the-ideal-apnt/

    -- Richard Langley

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