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List of GPS satellites - Wikipedia
As of 15 August 2023 , 83 Global Positioning System navigation satellites have been built: 31 are launched and operational, 4 are unhealthy or in reserve, 41 are retired, 2 were lost during launch, and 1 prototype was never launched. 4 Block III satellites have completed construction and have … See more
Wikipedia text under CC-BY-SA license A Brief History of GPS - Aerospace Corporation
Global Positioning System - Wikipedia
GPS History : A Timeline of the Facts You Need
WEBMay 18, 2018 · Learn how GPS evolved from the launch of Sputnik in 1957 to the widespread use of GPS-enabled devices in 2000. Discover the key dates, inventions, and milestones that shaped the Global Positioning …
Part 1: The Origins of GPS, and the Pioneers Who Launched the …
The evolution of GPS satellites and their use today
WEBSep 16, 2020 · Learn how GPS evolved from the first satellite navigation system, Transit, to the global network of more than 120 satellites. Discover the milestones, challenges and achievements of GPS and its …
Global Positioning System History - NASA
GPS - NASA
History of the Global Positioning System or GPS
WEBJan 14, 2020 · Learn how GPS, the Global Positioning System, was invented by the U.S. Department of Defense and Ivan Getting, and how it works. GPS uses satellites to calculate geographical positions and …
Global Positioning System (GPS) Program - NASA
Navstar 1, the world’s first operational GPS satellite, launches
GPS: From launch to everyday life - BBC News
History of GPS satellites and commercial GPS tracking
GPS Block III - Wikipedia
Feb. 14, 1989: GPS Enters Orbit | WIRED
GPS: What is it and how does it work? | Space
Dec. 8, 1993: Location, Location, Location - WIRED
GPS.gov: Space Segment - GPS: The Global Positioning System
1977: First GPS Satellite Launch | Milestone in Tech History
SpaceX launches next-generation GPS satellite - CNN
U.S. eyes geostationary orbit for next-gen GPS - SpaceNews
A Brief History of GPS - The Aerospace Corporation
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