Official U.S. government information about the
Global Positioning System (GPS) and related topics
What's New
News Items
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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
Legislative Updates
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Senate Moves Forward on GPS-Related Bills
(Jun 8) We updated our GPS funding page to reflect Senate committee action on the National Defense Authorization Act (NDAA) for Fiscal Year 2019 and appropriations for the GPS WAAS program. More -
House Passes National Defense Authorization Act
(May 31) We updated our GPS funding page to reflect the House passage of the National Defense Authorization Act (NDAA) for Fiscal Year 2019, including a floor amendment concerning "Backup Global Positioning System." More -
House Appropriators Fund GPS WAAS
(May 31) We updated our GPS funding page to reflect the House Appropriations Committee's markup of FY 2019 appropriations for the Transportation Department, including the GPS Wide Area Augmentation System. More -
FY 2019 Defense Bill Includes GPS Language
(May 11) We updated our GPS funding page to reflect the House Armed Services Committee's markup of the National Defense Authorization Act (NDAA) for Fiscal Year 2019. The committee provided program funding guidance as well as directive language related to GPS. More -
GPS Program Sees Increase in FY 2018 Omnibus
(Mar 23) On March 23, 2018, President Trump signed the Consolidated Appropriations Act, 2018, an omnibus funding measure that provides $1.18 billion to the Air Force GPS program, and $110.3 million to the Department of Transportation's GPS augmentation system (WAAS) in FY 2018. These funding levels represent an increase over the request. More -
FY 2019 Budget Request Includes $1.4 Billion for GPS
(Feb 13) On February 12, 2018, the White House released the President's Fiscal Year 2019 budget proposal. The proposal includes $1.48 billion in Air Force procurement and development to sustain and modernize the GPS program. More
Website Content
- Jun 15: Proposed interface revision notices
- May 25: CSNC 2018 presentations
- May 18: 2017 GPS performance report
- May 16: Advisory board presentations
- May 7: Advisory board meeting agenda
- May 7: Baska presentation
- Mar 16: NPEF gap analysis
- Mar 6: Munich Summit presentation
Public Presentations
- May 23-24: CSNC 2018 (China)
- May 16-17: National Space-Based PNT Advisory Board
- May 7: RIN Baška GNSS Conference
- Mar 6: Munich Satellite Navigation Summit
- Feb 8-9: IGNSS 2018 (Australia)
Calendar of Events
Multimedia
- Video Messages (Dec 2017)
- Launch Videos (Feb 2016)
