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A comment on iPhone 5. Parent comment

Re:iPhone 5 by PanMan on Wednesday September 12, 2012 @04:33PM (#4513042)
but a properly calibrated barometer is WAY more accurate than GPS. 10 years ago I could track a two meters offset (that's the difference between your head and your feet!).
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Re:iPhone 5 by mikeash on Wednesday September 12, 2012 @05:35PM (#4513363)
Indeed, but I can't think of any way to calibrate the thing other than looking up your location and pulling down weather data, or simply forcing the user to put in an altimeter setting.
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