[Antennas] Using GeoClock To Find True North

[Mark]

and .. by the by .. the variation is not constant .. it changes over time ..
73, Mark . AA6DX

----- Original Message -----
From: "Tom Bates" <tlbates@lr.net>
To: <antennas@mailman.qth.net>
Sent: Monday, February 18, 2002 2:23 PM
Subject: Re: [Antennas] Using GeoClock To Find True North


> This thread brought an interesting site to mind.  If you want to use a
magnetic
> compass, you have to know your Mag Var to make the corrections.  To find
you
> variation from anywhere in the world, go to this fun site :
>
http://academic.brooklyn.cuny.edu/geology/leveson/core/linksa/magnetic_varia
tion
> .html
>
> Lots of good information here, too.
>    73,  Tom