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Old 24th October 2002 | 20:14
  #10 (permalink)  
Crossedcontrols
 
Joined: May 2002
Posts: 138
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From: Over the hedge... just!
The etrex summit hand held GPS for walkers has a pressure sensor for the altimeter, because GPS is not to accurate for altitude, and it also has an electronic compass so you can see direction when you are stood still or can't see the sats. I just wondered if your gizmo used other devices other than GPS to derive the other functionshttp://www.garmin.com/products/etrexsummit/spec.html

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