PPRuNe Forums - View Single Post - future methods of determining height?
Thread: future methods of determining height?
View Single Post
Old 20th November 2008 | 20:33
  #3 (permalink)  
IO540
20 Anniversary
 
Joined: Jun 2003
Posts: 13,787
Likes: 0
From: EuroGA.org
GPS is much more accurate but for historic reasons we use barometric altimetry, which works fine for relative traffic separation.

Nothing is likely to change in the foreseeable future.
IO540 is offline  
Reply
0