Each of these is a disruption in the magnetic field that can affect a compass' ability to accurately point to true north. Deviation is ... order to get an accurate heading. While this may sound ...

and all that is left is the magnetic compass, this instrument could prove life-saving. With this convenient excuse of a magnetic north heading update, now is a great time to discuss all the ways ...

Tricks of the Trail Buy Your Compass for the Right Area: As well as the magnetic deviation east or west ... Back bearings are also useful if you are heading out to someplace and then returning along ...