Major Documents Related to
U.S. Space-Based PNT
National Policy Directives
- 2004 U.S. Space-Based Positioning, Navigation, and Timing Policy
- 1996 U.S. Global Positioning System Policy (superseded in 2004)
Legislation
Legal Agreements
- 2008 Memorandum of Agreement Between DoD and DOT on Civil Use of GPS
- See International Cooperation section for additional agreements, including GPS service commitments to international organizations
Charters
- National Executive Committee for Space-Based PNT
- National Coordination Office for Space-Based PNT
- National Space-Based PNT Advisory Board
- National Space-Based PNT Systems Engineering Forum
Policy Announcements
- 2008 Notice on Codeless/Semi-Codeless Access to GPS
- 2008 Decision to Continue Inland Component of Nationwide Differential GPS (NDGPS)
- 2008 Decision to Implement eLoran as National Backup to GPS
- 2007 Decision to Eliminate Selective Availability Feature from GPS III
- 2006 Announcement of Availability of Second Civilian GPS Signal
- 2003 U.S. Policy Statement Regarding Civil GPS Availability
- 2002 Action Plan for Transportation Infrastructure Relying on GPS
- 2001 Special Notice on GPS Availability
- 2000 Decision to End Use of GPS Selective Availability
- 1999 Announcement of Funding and Frequencies for GPS Modernization
- 1998 Decision to Add New Civilian Signals to GPS
- 1983 Decision to Offer GPS SPS to Civilians Worldwide
Performance Standards and Signal Specifications
- 2008 GPS Standard Positioning Service (SPS) Performance Standard
- 2008 GPS Wide Area Augmentation System (WAAS) Performance Standard
- 2007 GPS Precision Positioning Service (PPS) Performance Standard
- 2001 GPS SPS Performance Standard
- 1995 GPS SPS Signal Specification
- 1993 GPS SPS Signal Specification
GPS Interface Control Documents (ICD's) and Interface Specifications
Federal Radionavigation Plan (FRP)
Annual and Biennial Reports
- 2008 Biennial Report to Congress on the Global Positioning System
- 2007 Annual Report of the National Coordination Office
- 2006 Biennial Report to Congress on the Global Positioning System
- 2004 Biennial Report to Congress on the Global Positioning System
- 2002 Biennial Report to Congress on the Global Positioning System
- 2000 Biennial Report to Congress on the Global Positioning System
- 1998 Biennial Report to Congress on the Global Positioning System
Fact Sheets
- 2008 Fact Sheet on Interference Detection and Mitigation (IDM) Plan
- 2008 Public Summary of IDM Plan
- 2007 Fact Sheet on GPS-Galileo Cooperation
- 2006 Fact Sheet on GPS Modernization
Studies
- 2008 NSTAC Report to the President on Commercial Communications Reliance on the Global Positioning System
- 2006 DOC/DOT Study on the Economic Benefits of the Second Civilian GPS Signal (L2C)
- 2005 Report of the Defense Science Board Task Force on the Future of the Global Positioning System
- 2004 IGEB Study -- GPS L1 Civil Signal Modernization (L1C)
- 2001 DOT Volpe Center Report -- Vulnerability Assessment of Transportation Infrastructure Relying on the Global Positioning System
- 1998 DOC Assessment of the Economic Impacts of GPS Modernization
- 1995 RAND Report -- The Global Positioning System: Assessing National Priorities
- 1993 Joint DOD/DOT Task Force Report -- The Global Positioning System: Management and Operation of a Dual Use System
Other Documents
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