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    Background Information on GPS Week Number Rollover

    • Notice to All Mariners Who Use GPS Equipment
      U.S. Coast Guard Navigation Center
       

    • "GPS Week Number to Rollover"
      Schriever Air Force Base

       

    • Memorandum for U.S. Owners and Operators Using GPS to Obtain UTC Time
      U.S. Department of Homeland Security

       

    • GPS Week Number Rollover on April 6, 2019
      GPS.gov

       

    • Time — The Invisible Utility (Corporate Level Info Sheet)
      U.S. Department of Homeland Security

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