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Old 04-28-15 | 02:31 PM
  #23  
md11mx
Senior Member
 
Joined: Feb 2015
Posts: 226
Likes: 2
From: Anchorage

Bikes: Devinci Oslo

For gps altitude to be accurate it takes two receivers with very precise antenna distance measurement for them and some real hefty software. btdt
Cheers,
David in Alaska
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