Compass Deviation and survival

compass

Back packing or hiking into the wilderness without a compass is crazy, I am sure most experienced hikers are aware of this. But how many people forget to plan for “compass interference”?

The following article provides some information.

A magnetic compass needle’s movement is based upon the earth’s magnetic field.  That magnetic field and the movement of the magnetic needle on its pivot point in part, determine direction.

http://outdoorquest.blogspot.com/2015/07/compass-deviation.html