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satellites

U.S. to give GPS system an $8 billion upgrade

May 26th, 2010

The United States is about to give the now nearly ubiquitous Global Positioning System an $8 billion overhaul. The improvements, which involve replacing each of the 24 aging GPS satellites, are estimated to take over a decade to complete, and will see the triangulation margin of error decrease from 20 feet to around 3 feet. …

Hello Galileo, European GPS system to go live in 2010

November 13th, 2009

The Galileo navigation satellite project has been in the works for some time now in Europe, spearheaded mainly by the drive to mitigate reliance on U.S. foreign satellite guidance systems. Galileo will, in theory, “offer greater accuracy — down to a meter and less; and greater penetration — in urban centers, inside buildings, and under …