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Thread: How does a GPS know your heading?
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Old 15th November 2008 | 18:06
  #7 (permalink)  
bookworm
 
Joined: Aug 2000
Posts: 3,648
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From: UK
When I fly with a portable GPS how does it know my heading when it's not slaved to the compass/di and I haven't input information on the winds aloft?
It doesn't. (There, is that blindingly obvious enough? )
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