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1. en.wikipedia.org › wiki › Global_Positioning_SystemGlobal Positioning System - Wikipedia

   en.wikipedia.org › wiki › Global_Positioning_System

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   The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force.

2. www.lifewire.com › what-is-gps-how-it-works-4688647What Is GPS and How Does It Work? - Lifewire

   www.lifewire.com › what-is-gps-how-it-works-4688647

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   Jun 21, 2020 · The Space Segment is a navigation system of at least 31 satellites, 24 (or more) of which are usually in flight and operational. These satellites fly within Earth's orbit at an altitude of 12,550 miles. Each individual satellite usually circles the Earth twice a day.

3. www.gps.govGPS: The Global Positioning System

   www.gps.gov

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   Apr 20, 2024 · Official U.S. government information about the Global Positioning System (GPS) and related topics.

4. www.britannica.com › technology › GPSGPS | Definition, Types, Uses, & Facts | Britannica

   www.britannica.com › technology › GPS

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   GPS, space-based radio-navigation system. A GPS receiver operated by a user on Earth measures the time it takes radio signals to travel from four or more satellites, calculates the distance to each satellite, and from this calculation determines the user’s position.

5. www.space.com › gps-what-is-itGPS: What is it and how does it work? | Space

   www.space.com › gps-what-is-it

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   Dec 6, 2022 · Then, in 1973, a group of Pentagon officials decided to create a "defense navigation satellite system," laying the groundwork for a system called Navstar-GPS — what we now know simply as GPS.

6. play.google.com › store › appsGoogle Maps - Apps on Google Play

   play.google.com › store › apps

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   1 day ago · Navigate your world faster and easier with Google Maps. Over 220 countries and territories mapped and hundreds of millions of businesses and places on the map.

7. www.gps.gov › systems › gpsGPS.gov: GPS Overview - GPS: The Global Positioning System

   www.gps.gov › systems › gps

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   Feb 22, 2021 · The Global Positioning System (GPS) is a U.S.-owned utility that provides users with positioning, navigation, and timing (PNT) services. This system consists of three segments: the space segment, the control segment, and the user segment.

8. spaceplace.nasa.gov › gps › enHow Does GPS Work? | NASA Space Place – NASA Science for Kids

   spaceplace.nasa.gov › gps › en

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   Jun 13, 2024 · GPS is a system of 30+ navigation satellites circling Earth. We know where they are because they constantly send out signals. A GPS receiver in your phone listens for these signals. Once the receiver calculates its distance from four or more GPS satellites, it can figure out where you are.

9. www.nasa.gov › general › global-positioning-system-historyGlobal Positioning System History - NASA

   www.nasa.gov › general › global-positioning-system-history

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   Oct 27, 2012 · 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.” The United States Navy conducted satellite navigation experiments in the mid 1960’s to track US submarines carrying nuclear missiles.

10. www.britannica.com › story › how-does-gps-workHow Does GPS Work? | Britannica

    www.britannica.com › story › how-does-gps-work

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    The Global Positioning System—better known as GPS—has 31 satellites orbiting Earth. These satellites carry atomic clocks that keep very accurate time. The GPS satellites transmit this time to receivers on Earth.