Media Summary: One crucial aspect to backcountry navigation is knowing how to set Remember the saying East is Least (Subtract) and West is Best (Add). (theamericanbackpacker.com) Your compass needle points one way, but your map's grid points another—so how do you figure out the exact difference?
Adjusting For Magnetic Variation Declination - Detailed Analysis & Overview
One crucial aspect to backcountry navigation is knowing how to set Remember the saying East is Least (Subtract) and West is Best (Add). (theamericanbackpacker.com) Your compass needle points one way, but your map's grid points another—so how do you figure out the exact difference? A land navigation instructional how to do live EOSC 223 Lab 1: Visualizing Geology, University of British Columbia. Steve Backshall, Champion, shows you how to allow for the differences between grid north and