NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Magnetic Variation
From: Gary LaPook
Date: 2010 Feb 27, 19:24 -0800
From: Gary LaPook
Date: 2010 Feb 27, 19:24 -0800
The test was wrong. Look on any navigational chart and it will give the declination and a date and state the rate of annual change. It changes in one direction only, it doesn't make any periodic cyclical change.
gl
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