Home |
Search |
Today's Posts |
#1
posted to alt.sailing.asa
|
|||
|
|||
Magnetic Compas Declination
.....the strength of the Earth's protective magnetic shield has decreased 10
percent over the past 150 years. During the same period, the north magnetic pole wandered about 685 miles out into the Arctic, according to a new analysis by Stoner. http://www.mercurynews.com/mld/mercu...a/13361264.htm |