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TAG: GPS history

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GPS World: 20 Years Young, 1990-2010

August 1, 2010

This article is tagged with , and posted in From the Magazine
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Dave Madden

Col. Dave Madden Looks Back, and Forward into GPS Future

July 27, 2010

This article is tagged with , , , , and posted in Defense, Opinions
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Letters to the Editor

July 1, 2010

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At the JPO. Frank Butterfield of Aerospace, Col. Parkinson, and Cdr. Bill Huston, deputy JPO director from the U.S. Navy, in the early 1970s. A model of a Phase I GPS satellite stands on the table between the latter two. (Credit: Bradford W. Parkinson and Stephen T. Powers)

Part 2: The Origins of GPS, Fighting to Survive

June 1, 2010

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Mathematician Bill Guier (l) and physicist George Weiffenbach (r), told APL Research Center director Frank T. McClure (c), about their success using Doppler tracking for satellites. “McClure’s brain started going into fast forward,” remembered John Dassoulas. “Knowing the navigational challenges the U.S. Navy faced, McClure said, ‘Well, if you can find out where the satellite is, you ought to be able to turn that problem upside down and find out where you are.’" (Credit: Bradford W. Parkinson and Stephen T. Powers)

Part 1: The Origins of GPS, and the Pioneers Who Launched the System

May 1, 2010

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The True Story of the Origins of GPS

November 1, 2009

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Letter to the Editor: Who Invented GPS?

January 1, 2007

This article is tagged with , and posted in From the Magazine, Opinions
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