Karen Van Dyke, Volpe's principal technical advisor on global positioning systems and director of Positioning, Navigation and Timing (PNT) at the Research and Innovative Technology Administration, spoke on at Volpe on recent developments in PNT.
"As we have increased accuracy of the Global Positioning System, the applications have just exploded. I don't think anyone knows how many users of GPS there are around the world--I've heard a billion plus....And the number of applications - we hear about new applications for GPS every single week. A lot of us think about the navigation function, and that is certainly very key for transportation, but GPS is probably used just as much for timing. So all of the communication networks, banking, finance, power grids are really taking advantage of the accurate GPS timing signal and those become the invisible applications that we often don't think about," said Van Dyke.
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