Official U.S. government information about the
Global Positioning System (GPS) and related topics
News Items
Latest News
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2018 Public Interface Control Working Group (ICWG) and Open Forum
(Jun 15) The GPS Directorate has released a set of Proposed Interface Revision Notices (PIRNs) for public comment ahead of the next Public ICWG and Open Forum, scheduled for September 12, 2018, in El Segundo, CA. More -
PNT Advisory Board Meeting Agenda
(May 7) The agenda for the May 16-17 public meeting of the National Space-Based Positioning, Navigation, and Timing (PNT) Advisory Board is now online. More -
DOT Report on GPS Adjacent Band Compatibility
(Apr 26) The Department of Transportation released the final report of its GPS Adjacent Band Compatibility Assessment. More -
PNT Advisory Board to Convene May 16-17, 2018
(Apr 23) The National Space-Based Positioning, Navigation, and Timing (PNT) Advisory Board will convene at the Sheraton Inner Harbor Hotel in Baltimore, Maryland, on May 16-17, 2018. The meeting will be open to the public up to the seating capacity of the room. More -
Memo for U.S. Owners and Operators Using GPS to Obtain UTC Time: Upcoming GPS Week Number Rollover Event
(Apr 10) The Department of Homeland Security has issued a paper intended to provide an understanding of the possible effects of the April 6, 2019 GPS Week Number Rollover on Coordinated Universal Time derived from GPS devices. More -
Discontinuance of the Nationwide Differential Global Positioning System (NDGPS)
(Mar 21) The U.S. Coast Guard (USCG) published a Federal Register notice announcing the discontinuance of its remaining 38 maritime Differential Global Positioning System (DGPS) sites. The USCG will implement the closures through a phased reduction in service, which will commence in September of 2018, and conclude by September of 2020. These closures will culminate in the complete cessation of the Nationwide Differential Global Positioning System (NDGPS) service. More -
Request for Proposals for GPS III Follow-On Satellites
(Feb 14) The Air Force announced the Request for Proposals (RFP) for the production of 22 GPS III Follow-On (IIIF) satellites. More -
Air Force Memo on GPS Control Segment Software Change
(Dec 20) The Air Force issued a memorandum for GPS users and user equipment manufacturers regarding the Issue of Data, Clock (IODC) value selection process and IS-GPS-200H compliance. More -
U.S. and China Satellite Cooperation Means Better Service for Civilian GPS Users
(Dec 4) The United States and China have negotiated compatible signal characteristics that will both protect and enhance service for users of the U.S. Global Positioning System (GPS) and the equivalent Chinese system. More
Presentations from Conferences and Meetings
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