PPRuNe Forums - View Single Post - Navigating by true tracks
View Single Post
Old 9th July 2006 | 06:12
  #2 (permalink)  
Oldy
 
Joined: Jan 2006
Posts: 28
Likes: 0
From: world
Years ago, before GPS, we used to set the reference to Grid North (basically a random direction printed on the chart) and keep it updated from the sun by use of a sextant. I'm not sure I could do this any more!
Oldy is offline