Souping Up Your Smartphone's GPS

At a recent search-and-rescue boot camp I attended, it was clear during unscientific tests I performed that a standalone, dedicated Global Positioning System device was more accurate navigating to waypoints than a smartphone with GPS chip -- but it was only by a few feet.

Source: http://ectnews.com.feedsportal.com/c/34520/f/632000/s/24de13e1/l/0L0Stechnewsworld0N0Crsstory0C764780Bhtml/story01.htm

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