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Changes to Navstar GPS control segment

The US Navigation Center posted informed that the Global Positioning Systems Directorate will propose a change to the Navstar GPS Control Segment to User Support Community Interfaces, Interface Control Documents that will remove Section One from the GPS Operational Advisory.

USCG to stop the operation of remaining DGPS sites

The US Office of Navigation Systems informed that the US Coast Guard will stop broadcasts from its remaining 38 Differential GPS sites over the next three years, completing system reductions that began in 2016. The reduction of the remaining Coast Guard DGPS broadcast sites will begin in 2018, and will end with the last broadcast of GPS corrections over medium frequency in 2020.

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