What's New
News Items
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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.
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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.
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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.
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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.
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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.
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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.
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Presentations from Nov 15-16 Meeting of PNT Advisory Board
(Nov 15) Presentations from the Nov 15-16 meeting of the National Space-Based PNT Advisory Board in Redondo Beach, CA, are now online.
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Legislative Updates
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GAO Report on GPS Modernization
(Dec 12) Today, the Government Accountability Office (GAO) released a report titled, "Global Positioning System: Better Planning and Coordination Needed to Improve Prospects for Fielding Modernized Capability." GAO prepared the report in response to direction in the National Defense Authorization Act for Fiscal Year 2016.
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President Signs FY 2018 NDAA
(Dec 12) On December 12, President Trump signed the National Defense Authorization Act (NDAA) for Fiscal Year 2018. The act includes policy and funding guidance for the GPS program. It recommends full funding for GPS plus a $10 million increase above the President's request. The legislation also includes specific provisions regarding satellite positioning ground monitoring stations, demonstration of backup and complementary PNT, enhancement of PNT capacity, and counter threat strategy.
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Senate Appropriators Release GPS Funding Marks
(Nov 22) On November 21, the Senate Appropriations Committee released its Fiscal Year 2018 defense appropriations bill, which includes a $50.5 million net increase for the Air Force GPS program. Earlier this year, the House of Representatives passed its defense spending package as part of a "minibus" appropriations bill. That bill recommended $30 million in GPS cuts.
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NDAA Moves Ahead with GPS Provisions
(Nov 9) We updated our funding tracker to reflect yesterday's passage of the National Defense Authorization Act (NDAA) through conference committee. The final bill supports full funding for GPS and includes multiple provisions related to GPS.
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"GPS Act" Reintroduced in House
(Aug 30) On July 27, 2017, Rep. Blake Farenthold (R-TX) reintroduced the Geolocation Privacy and Surveillance (GPS) Act in the House of Representatives following the resignation of its previous sponsor. The GPS Act seeks to establish a legal framework that gives government agencies, commercial entities, and private citizens clear guidelines for when and how geolocation information can be accessed and used.
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Senate Appropriators Propose $8M Increase for GPS WAAS
(Jul 28) Yesterday, the Senate Appropriations Committee approved its FY 2018 transportation package, including an $8 million increase for the GPS Wide Area Augmentation System (WAAS). The committee's explanatory language echoes that of the House from last week.
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Official U.S. government information about the
Global Positioning System (GPS) and related topics
