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  1. Home | GPS.gov

    May 13, 2025 · The Global Positioning System (GPS) is an essential element of a global information infrastructure. The free, open, and dependable nature of GPS has led to the …

  2. Systems | GPS.gov

    Jan 23, 2018 · GPS is operated and maintained by the U.S. Space Force. GPS.gov is maintained by the National Coordination Office for Space-Based Positioning, Navigation, and Timing.

  3. Support | GPS.gov

    GPS is operated and maintained by the U.S. Space Force. GPS.gov is maintained by the National Coordination Office for Space-Based Positioning, Navigation, and Timing.

  4. What Can GPS Do? | GPS.gov

    GPS is an essential element of a global information infrastructure. The free, open, and dependable nature of GPS has led to the development of hundreds of applications affecting …

  5. GPS.gov: Interface Control Documents

    Feb 5, 2025 · The communication boundaries between the Global Positioning System and other systems, as well as within the GPS itself, are known as interfaces. Interface Control …

  6. Space Segment | GPS.gov

    The GPS space segment consists of a constellation of satellites transmitting radio signals to users. The United States is committed to maintaining the availability of at least 24 operational …

  7. GPS Accuracy | GPS.gov

    What is the government's commitment to GPS accuracy? The government is committed to providing GPS at the accuracy levels specified in the GPS Standard Positioning Service (SPS) …

  8. Performance Standards & Specifications | GPS.gov

    This document defines the levels of performance the U.S. government makes available to users of the GPS Standard Positioning Service, also known as the civilian GPS service.

  9. Interface Control Documents (ICDs) & Interface Specifications (ISs)

    Information on the civil GPS signals and codes broadcast at the L1, L2, and L5 frequencies. The communication boundaries between the Global Positioning System and other systems, as well …

  10. The following documents of the issue specified contribute to the definition of the interfaces between the GPS Space Segment and the GPS navigation User Segment, and form a part of …