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Global Positioning System - Wikipedia
The Global Positioning System (GPS), originally Navstar GPS, is a space-based radionavigation system owned by the United States government and operated ... More »

www.nytimes.com/topic/subject/global-positioning-system

Commentary and archival information about the global positioning system ... News about Global Positioning System, including commentary and archival articles ...

www.nationalgeographic.org/encyclopedia/gps

Feb 8, 2011 ... Encyclopedic entry. A global positioning system (GPS) is a network of satellites and receiving devices used to determine the location of ...

ijbnpa.biomedcentral.com/articles/10.1186/1479-5868-6-73

Nov 4, 2009 ... Global Positioning System (GPS) technology offers potential to improve the measurement of physical activity. This paper 1) reviews the extant ...

www.scientificamerican.com/article/how-gps-units-work

Dec 1, 2008 ... How handheld global positioning system devices can determine your position on Earth--even when indoors. ... Where on Earth You Are--Working Knowledge on Global Positioning System. How handheld ... Recent Articles.

www.encyclopedia.com/science-and-technology/technology/technology-terms-and-concepts/global-positioning-system-gps

Get information, facts, and pictures about Global Positioning System (GPS) at ... Global Positioning System (GPS) easy with credible articles from our FREE, ...

www.socialstudiesforkids.com/articles/geography/gps.htm

The Global Positioning System, or GPS, can tell your exactly where you are, even if you don't know where you are!

jgps.springeropen.com

The Journal of Global Positioning Systems (JGPS) is a peer-reviewed open ... the publication of original research papers, review articles, invited contributions, ...

www.scienceabc.com/innovation/how-gps-global-positioning-system-works-satellite-smartphone.html

Any GPS receiver (say, your smartphone) is constantly 'visible' to at least four satellites at any given instant. Each of these satellites transmits a signal that ...

www.nasa.gov/directorates/heo/scan/communications/policy/GPS_History.html

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 ...