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it involves satellites orbiting the earth

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it involves satellites orbiting the earth

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GPS use triangulation which is determining were you are based on which 3 landmarks you are between

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GPS receivers listen to were the GPS satellites are and  then use them as land marks to know were you are

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Brain, Marshall. How Stuff Works: How the Global Position System Works. , 2008. sirsdiscoverer, https://explore.proquest.com/sirsdiscoverer/document/2265442817?accountid=38270.
"GPS Satellite. An artists rendering of a U.S. Air Force Navstar Global Positioning System Block..." Dictionary of American History, edited by Stanley I. Kutler, 3rd ed., vol. 2, Charles Scribner's Sons, 2003. Gale In Context: High School, https://link.gale.com/apps/doc/PC3401887330/GPS?u=mnkkinghs&sid=GPS&xid=2e354ede. Accessed 28 Apr. 2020.
Hillstrom, Laurie Collier. "Although a number of mobile devices already have the capability of GPS technology, computer experts..." Online Social Networks, Lucent Books, 2010. Technology 360. Gale In Context: High School, https://link.gale.com/apps/doc/PC2461087036/GPS?u=mnkkinghs&sid=GPS&xid=e6f12ecd. Accessed 28 Apr. 2020.