NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Annual Increase of Variation
From: Rodney Myrvaagnes
Date: 2002 Feb 13, 11:47 -0500
From: Rodney Myrvaagnes
Date: 2002 Feb 13, 11:47 -0500
The short answer is "No."
The local lines of force are not quasi-meridians all pointing to the same spot on earth. The annual change of variation si not the same in different places. It was 0 in SF Bay a few years ago, 0.3 or 0.4 min/yr in the Long Island sound (different in spots ony a few miles apart.
On Wed, 13 Feb 2002 07:40:53 -0500, daveweilacher@earthlink.net wrote:
--Original Message Text---
I would still like to know if there is a geographical position of the pole that I could use to reduce a variation.
Rodney Myrvaagnes J36 Gjo/a
"Religious wisdom is to wisdom as military music is to music."
"What contemptible scoundrel stole the cork from my lunch?" -- W. C Fields
The local lines of force are not quasi-meridians all pointing to the same spot on earth. The annual change of variation si not the same in different places. It was 0 in SF Bay a few years ago, 0.3 or 0.4 min/yr in the Long Island sound (different in spots ony a few miles apart.
On Wed, 13 Feb 2002 07:40:53 -0500, daveweilacher@earthlink.net wrote:
--Original Message Text---
I would still like to know if there is a geographical position of the pole that I could use to reduce a variation.
"Religious wisdom is to wisdom as military music is to music."
"What contemptible scoundrel stole the cork from my lunch?" -- W. C Fields
