Official U.S. government information about the
Global Positioning System (GPS) and related topics
GPS is operated and maintained by the U.S. Air Force. GPS.gov is maintained by the National Coordination Office for Space-Based Positioning, Navigation, and Timing. Contact us / Tell us what you think of this website. Website host: NOAA. Privacy policy. This page was last modified on October 5, 2016. For the desktop version of this page, rotate your device to landscape.
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