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National Aeronautics and Space Administration


Drive advances in science, technology, aeronautics, and space exploration to enhance knowledge, education, innovation, economic vitality, and stewardship of Earth.
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GPS Roles and Responsibilities

  • Operates the Global Differential GPS System (GDGPS). Learn more about GDGPS
  • Operates the Central Bureau and numerous reference stations of the International GNSS Service. Learn more about IGS
  • Sponsors the National Space-Based PNT Advisory Board on behalf of the National Executive Committee. Learn more
  • Develops new technology for spaceborne uses of GPS, such as The Navigator receiver. Learn more at
  • Applies GPS to a broad variety of governmental activities, including spacecraft navigation.
    International Space Station
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