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Devices for navigation and location that make use of the data transmitted by the Global Positioning System, the network of satellite transmitters in orbit about the Earth

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I have done some extensive testing of my iPhone 4S compared to my iPhone 4 and found GPS accuracy has suffered substantially. … What is more likely: That I have a defective unit OR that Apple's elimination of a dedicated GPS chip means less accurate information? …
asked Nov 28 '11 by Lansing Pugh