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- The history of GPS is as follows12345:
- The GPS project was started by the U.S. Department of Defense in 1973.
- The first prototype spacecraft was launched in 1978.
- The full constellation of 24 satellites became operational in 1993.
- GPS has its origins in the Sputnik era when scientists tracked satellites using shifts in radio signals (the “Doppler Effect”).
- Initially intended for military applications, GPS has become widely used for civilian purposes as well.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.The GPS project was started by the U.S. Department of Defense in 1973. The first prototype spacecraft was launched in 1978 and the full constellation of 24 satellites became operational in 1993.en.wikipedia.org/wiki/Global_Positioning_SystemGPS has its origins in the Sputnik era when scientists were able to track the satellite with shifts in its radio signal known as the “Doppler Effect.” The United States Navy conducted satellite navigation experiments in the mid 1960’s to track US submarines carrying nuclear missiles.www.nasa.gov/general/global-positioning-system-h…GPS has its origins in the Sputnik era when scientists were able to track the satellite with shifts in its radio signal, known as the “Doppler Effect,” which became the foundational idea for modern GPS.www.nasa.gov/directorates/somd/space-communic…GPS, or the Global Positioning System, was invented by the U.S. Department of Defense (D.O.D) and Ivan Getting, and cost taxpayers $12 billion. Eighteen satellites—six in each of three orbital planes spaced 120 degrees apart—and their ground stations formed the original GPS.www.thoughtco.com/history-of-the-global-positionin…When Was GPS Invented? The development of GPS began in the 1960s as a U.S. military project called “NAVSTAR GPS.” The system became operational in the 1970s, and it was initially intended for military applications such as navigation, targeting, and troop movements.historycooperative.org/who-invented-gps/ GPS - NASA
A brief history of GPS - PCWorld
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Global Positioning System History - NASA
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GPS | Definition, Types, Uses, & Facts | Britannica
GPS, space-based radio-navigation system that broadcasts highly accurate navigation pulses to users on or near Earth. In the United States’ Navstar GPS, 24 main satellites in 6 orbits circle Earth every 12 hours.
Navigating the history of GPS | Nature Electronics
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The Global Positioning System (GPS) is a satellite-based system that enables accurate capture of location anyplace on the surface of the planet. The first GPS system was developed by the US Air Force as a military project, although it …
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