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From: marcus@pyuxt.UUCP (M. G. Hand)
Newsgroups: net.physics
Subject: follow-up to magnetic polar movement
Message-ID: <165@pyuxt.UUCP>
Date: Sun, 12-Aug-84 13:57:06 EDT
Article-I.D.: pyuxt.165
Posted: Sun Aug 12 13:57:06 1984
Date-Received: Tue, 14-Aug-84 01:27:43 EDT
Organization: Bell Communications Research, Piscataway N.J.
Lines: 11

<1 for you and the rest for me...>

As a follow-up to the various articles on magnetic polar switching and
magnetic drift of the earth's field, I offer the following tid-bit:
On the USGS map of Block Island Ma.; the magnetic variation is 14 degrees
West of True North as of 1970.  I had given other figures for North-west
Britain to counter an assertion that True and magnetic N were identical;
this figure is more relevant to North-Eastern USA.

		Marcus Hand	(pyuxt!marcus)
	"Rule 3: Always trust Centauri."