PPRuNe Forums - View Single Post - Question Polar stereographic chart

16th November 2004 | 08:07

#2 (permalink)

swh

Eidolon

Joined: May 2001

Posts: 2,244

Likes: 62

From: Some hole

I get 27.34 nm ...

Colatitude is 30 degrees, degrees from the pole is 1800 nm,
ch long is 20 degrees, so mid point ch long is 10 degrees

properties of a triangle .... 1800 cos 10 is 1772 nm so 1800 - 1772 is 27 nm