• Global Positioning System - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Global_Positioning_System The Global Positioning System (GPS) is a space-based navigation system that provides location and time information in all weather conditions, anywhere on or near the ...
  • GPS.gov: GPS Overview

    www.gps.gov/systems/gps The Global Positioning System What is GPS? The Global Positioning System (GPS) is a U.S.-owned utility that provides users with positioning, navigation, and timing ...
  • Welcome to GPS.gov

    www.gps.gov Public information about the U.S. Global Positioning System (GPS)
    • Global Positioning - NOAA's National Ocean Service

      oceanservice.noaa.gov/geodesy/gps Global positioning is fundamental to navigation, communication systems, mapping and charting, and much more. The National Geodetic Survey is responsible ...
    • The Global Positioning System

      www.colorado.edu/geography/gcraft/notes/gps/gps_f.html Global Positioning System Standard Positioning Service Specification, 2nd Edition, June2, 1995. Available on line from United States Coast ...
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