GPS

Extracted Attributes

• Type

  Global Navigation Satellite System (GNSS)

• Owner

  United States government

• Acronym

  GPS

• Operator

  United States Space Force (Mission Delta 31)

• Full Name

  Global Positioning System

• Standard Accuracy

  4.9 meters, measuring the typical positioning error of civilian receivers

• Current Constellation Size

  Over 30 satellites, measuring the active spacecraft operated by the U.S. Space Force

• Original Constellation Size

  24 satellites, measuring the number of spacecraft used to achieve full operational status in 1993

Timeline

• The GPS project is launched by the U.S. Department of Defense to overcome previous navigation limitations, combining ideas from 1960s military design studies. (Source: Wikipedia)

  1973-01-01

• The United States government allows civilian access to GPS, expanding its utility beyond military applications. (Source: Wikipedia)

  1980-01-01

• GPS becomes fully operational with an original constellation of 24 satellites, providing global positioning capabilities. (Source: Wikipedia)

  1993-01-01

• The International Astronautical Federation (IAF) awards GPS its 60th Anniversary Award, recognizing its role in building international collaboration. (Source: Wikipedia)

  2011-10-04

• Gladys West is inducted into the Air Force Space and Missile Pioneers Hall of Fame in Washington, D.C., United States, for her work on the geodetic Earth model used to determine GPS orbits. (Source: Wikipedia)

  2018-12-06

• Four founding members of the GPS project are awarded the Queen Elizabeth Prize for Engineering in London, United Kingdom, for their contributions to the technology. (Source: Wikipedia)

  2019-02-12

Global Positioning System

The Global Positioning System (GPS) is a satellite-based hyperbolic navigation system owned by the United States Space Force and operated by Mission Delta 31. It is one of the global navigation satellite systems (GNSS) that provide geolocation and time information to a GPS receiver anywhere on or near the Earth where signal quality permits. It does not require the user to transmit any data, and operates independently of any telephone or Internet reception, though these technologies can enhance the usefulness of the GPS positioning information. It provides critical positioning capabilities to military, civil, and commercial users around the world. Although the United States government created, controls, and maintains GPS, it is freely accessible to anyone with a GPS receiver.

Web Search Results

• Global Positioning System - Wikipedia

  The GPS project was launched in the United States in 1973 to overcome the limitations of previous navigation systems, combining ideas from several predecessors, including classified engineering design studies from the 1960s. The U.S. Department of Defense developed the system, which originally used 24 satellites, for use by the United States military, and became fully operational in 1993. Civilian use was allowed from the 1980s. Roger L. Easton of the Naval Research Laboratory, Ivan A. Getting of The Aerospace Corporation, and Bradford Parkinson of the Applied Physics Laboratory are credited with inventing it. The work of Gladys West of the Ballistic Sciences Branch at Dahlgren Naval Proving Ground on the creation of the mathematical geodetic Earth model is credited as instrumental in the [...] GPS is owned and operated by the United States government as a national resource. The Department of Defense is the steward of GPS. The Interagency GPS Executive Board (IGEB) oversaw GPS policy matters from 1996 to 2004. After that, the National Space-Based Positioning, Navigation and Timing Executive Committee was established by presidential directive in 2004 to advise and coordinate federal departments and agencies on matters concerning the GPS and related systems. The executive committee is chaired jointly by the Deputy Secretaries of Defense and Transportation. Its membership includes equivalent-level officials from the Departments of State, Commerce, and Homeland Security, the Joint Chiefs of Staff and NASA. Components of the executive office of the president participate as observers [...] On October 4, 2011, the International Astronautical Federation (IAF) awarded the Global Positioning System (GPS) its 60th Anniversary Award, nominated by IAF member, the American Institute for Aeronautics and Astronautics (AIAA). The IAF Honors and Awards Committee recognized the uniqueness of the GPS program and the exemplary role it has played in building international collaboration for the benefit of humanity. On December 6, 2018, Gladys West was inducted into the Air Force Space and Missile Pioneers Hall of Fame in recognition of her work on an extremely accurate geodetic Earth model, which was ultimately used to determine the orbit of the GPS constellation. On February 12, 2019, four founding members of the project were awarded the Queen Elizabeth Prize for Engineering with the chair

• What is GPS and how does it work?

  #### Products Glossary of TermsAn Introduction to GNSS, 3rd editionGPS AcronymsStandards and ReferencesUnit ConversionsWhat is GPS? # What is GPS and how does it work? The Global Positioning System (GPS) is a satellite constellation supporting highly accurate positioning, navigation and timing (PNT) measurements worldwide. As one of the first satellite positioning systems, GPS has become integral to work done worldwide, including precision agriculture, autonomous vehicles, marine or aerial surveying and defense applications. [...] ### What does GPS stand for? GPS stands for Global Positioning System. It’s also often used to describe the positioning system itself, for example, your vehicle’s built-in GPS. Image 2: Diagram depicting GNSS architecture ## How does GPS work? Like many other GNSS constellations, GPS includes three main segments: the space segment, control segment and user segment. The GPS space segment includes over 30 satellites in orbit operated and maintained by the U.S. Space Force. These satellites broadcast radio signals to control and monitoring stations on Earth and directly to users requiring highly precise satellite positioning. [...] In this article, we explain what GPS is, how it works, what the differences are between GPS and other satellite systems like Global Navigation Satellite Systems (GNSS), as well as the equipment and applications GPS supports. You can find further information on GPS and satellite technologies in our book, An Introduction to GNSS. ## What is GPS? GPS is one of many GNSS that provides positioning, navigation and timing (PNT) measurements. While operated by the U.S. Space Force, a branch of the U.S. Armed Forces, GPS is available for use by anyone worldwide.

• How GPS Works 🛰️ What is GPS

  the global positioning system better known as GPS is a radio navigation technique based on satellites these send data to the Earth in such a way that a device like our cell phones can receive it and by using this information and a little geometry they can calculate its location in a frame of reference with an accuracy of 4.9 meters it sounds relatively simple however we must consider that satellites move at speeds of 14 000 kilometers per hour and not only that since the signals sent travel at approximately the speed of light a synchronization error of just one microsecond could generate a miscalculation of almost 300 meters in the location for all this and much more in this video we will see how GPS works the first thing to clarify before going into more detail is that GPS is a [...] to clarify before going into more detail is that GPS is a technology developed by the US Department of Defense and that name refers only to the set of satellites that they manage the generic name for this technology is actually gnss or Global navigation satellite system and there are several other similar satellite Networks such as Russia's glonass the European Union's Galileo India's navic and China's Baidu with that out of the way the key concept on which GPS works is trilateration a mathematical method for determining the relative positions of objects using geometry suppose we have a phone and a satellite on a plane on the one hand the information we know is the position of the satellite and its distance from the phone while on the other hand the information we want to obtain is the [...] a signal is sent by a satellite at an altitude of twenty thousand kilometers it has to pass from the vacuum of space through each of the layers of the atmosphere before finally reaching the receiver because of this the signal experiences slight deviations in its trajectory as well as a reduction in its propagation speed and for the same reason the travel time of the signal will be affected as well to solve this particular problem mathematical models that are able to predict such delays and thus consider the necessary Corrections have been generated at this point there is one element that we have completely ignored so far which is the fact that our phones clearly don't have an atomic clock inside them so how do they manage to know the travel time of the signals to calculate their location

• How Does GPS Work? | NASA Space Place – NASA Science for Kids

  The Global Positioning System (GPS) is made up of satellites, ground stations, and receivers. GPS is a system. It’s made up of three parts: satellites, ground stations, and receivers. Satellites act like the stars in constellations—we know where they are supposed to be at any given time. The ground stations use radar to make sure they are actually where we think they are. A receiver, like you might find in your phone or in your parents car, is constantly listening for a signal from these satellites. The receiver figures out how far away they are from some of them.

• Home | GPS.gov

  An official website of the United States government Here's how you know Dot gov Official websites use .gov A .gov website belongs to an official government organization in the United States. Https Secure .gov websites use HTTPS A lock ( Lock Locked padlock ) or means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. Home close mobile menu logo Search # What is GPS? The Global Positioning System (GPS) is a U.S.-owned utility that provides users with positioning, navigation, and timing (PNT) services. [...] The Global Positioning System (GPS) is an essential element of a global information infrastructure. The free, open, and dependable nature of GPS has led to the development of hundreds of applications affecting every aspect of modern life. ### What can GPS do? ### Who runs GPS? ### Information for professionals ### Recent & Upcoming Events ### Public Interface Control Working Group (PICWG) 2026 Jun 16, 2026 - Jun 16, 2026 This is a virtual meeting. The 2026 Public Interface Control Working Group and Open Forum are open to the general public. ### 65th Meeting of the Civil GPS Service Interface Committee Apr 20, 2026 - Apr 21, 2026 Department of Transportation Headquarters building in Washington, DC [...] Legislation ### Legislation US laws and regulations concerning GPS Resilience ### Resilience Information and resources for improving positioning, navigation, and timing resilience, especially in critical infrastructure Agency logo GPS is operated and maintained by the U.S. Space Force. GPS.gov is maintained by the National Coordination Office for Space-Based Positioning, Navigation, and Timing. Tell us what you think of this website. Website host: NOAA. Privacy policy.

• Instance Of

  Q21014462