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Gladys Mae West (née Brown; born October 27, 1930 [1]) is an American mathematician.She is known for her contributions to mathematical modeling of the shape of the Earth, and her work on the development of satellite geodesy models, that were later incorporated into the Global Positioning System (GPS). [2]
George W. Bush awarded Easton the National Medal of Technology for his "extensive pioneering achievements in spacecraft tracking, navigation and timing technology that led to the development of the NAVSTAR-Global Positioning System (GPS)" in 2006. [9] [10] The National Medal of Technology is the highest honor awarded for technology. [7]
The Global Positioning System (GPS), originally Navstar GPS, [2] is a satellite-based radio navigation system owned by the United States Space Force and operated by Mission Delta 31. [ 3 ] [ 4 ] 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 ...
Global Positioning System Ivan Alexander Getting (January 18, 1912 – October 11, 2003) was an American physicist and electrical engineer , credited (along with Roger L. Easton and Bradford Parkinson ) with the development of the Global Positioning System (GPS).
Bradford Parkinson (born February 16, 1935) is an American engineer and inventor, retired United States Air Force Colonel and Emeritus Professor at Stanford University.He is best known as the lead architect, advocate and developer, with early contributions from Ivan Getting and Roger Easton, of the Air Force NAVSTAR program, better known as Global Positioning System.
The United States' Global Positioning System (GPS) consists of up to 32 medium Earth orbit satellites in six different orbital planes. The exact number of satellites varies as older satellites are retired and replaced. Operational since 1978 and globally available since 1994, GPS is the world's most utilized satellite navigation system.
NTS-1 - Navigation Technology Satellite (Timation 3) is launched in 1974, [3] [4] while NTS-2 (Timation 4) is launched in 1977. [5] The results of this program and Air Force Project 621B formed the basis for the Global Positioning System (GPS). The Navy's contribution to the GPS program continued to be focused on ever more accurate clocks. [6]
1994: BMW 7 series E38 first European model featuring GPS navigation. The navigation system was developed in cooperation with Philips (Philips CARIN). [19] 1995: Oldsmobile introduced the first GPS navigation system available in a United States production car, called GuideStar. [20] The navigation system was developed in cooperation with Zexel.