View Single Post
Old 07-20-15, 11:42 AM   #43
Oby
Medic
 
Join Date: Jul 2007
Location: BH7853
Posts: 169
Downloads: 458
Uploads: 0
Default

Quote:
Zenith Distance = 90 - 42.54 we convert the 90 degree to 89.60
How do we know that this is exactly 89.60? Is there any rule for that conversion?
Oby is offline   Reply With Quote