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GPS.gov: GPS Overview - GPS: The Global Positioning System
GPS.gov: Space Segment
Satellite Navigation - Global Positioning System (GPS)
Learn about GPS, a space-based radio-navigation system operated by the Department of Defense and used by civil and military users worldwide. Find out the history, development, and applications of GPS in aviation and other fields.
Global Positioning System - United States Space Force
The Global Positioning System (GPS) is a constellation of orbiting satellites that provides position, navigation, and timing data to military and civilian users globally. The system is operated and controlled by Space Delta 8, located at …
Navigation Programs — Satellite Navigation | Federal Aviation ...
Global Positioning System (GPS) Overview | Navigation Center
What is a GPS? How does it work? | Library of Congress
Learn about the Global Positioning System (GPS), a technology that tells you where you are on Earth. Find out how GPS works, who uses it, and how it was developed by the U.S. military.
GPS - NASA
Global Positioning - NOAA's National Ocean Service
GPS.gov: Frequently Asked Questions
GPS - United States Department of State
More Information on gps.gov | Navigation Center
World Magnetic Model 2025 Released | News | National Centers …
U.S. Space-Based Positioning, Navigation, and Timing Policy
Home [www.ngs.noaa.gov]
How Does Global Positioning System (GPS) Work?
Impact of L-Band MSS ‘Direct-to-Device’ Operations on GPS
GPS.gov: What's New - GPS: The Global Positioning System
USGS.gov | Science for a changing world
USGS: Greenhouse gas emissions from federal lands trended …
GPS.gov: Applications
GPS.gov: Systems - GPS: The Global Positioning System
GPS.gov: 31st Meeting of the National Space-Based Positioning ...