From: Adam Singer (adamsinger@earthlink.net)
Date: Fri Mar 22 2002 - 07:30:33 PST
Message-ID: <3C9B4E19.ACA61AD0@earthlink.net> Date: Fri, 22 Mar 2002 07:30:33 -0800 From: Adam Singer <adamsinger@earthlink.net> Subject: Re: Magnetic declination
It is my understanding (but of course I may be wrong) that magnetic declination changes (drifts) over time for a particular location, and can change many degrees
over a few years. How old is the textbook that shows the declination / the map your student uses?
-- Adam Singer
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