In this lesson, we will revise Grid Magnetic Angle (GMA). This allows us to adjust our bearings when converting between grid bearings and magnetic bearings, and back again.
In this lesson, we will revise Grid Magnetic Angle (GMA). This allows us to adjust our bearings when converting between grid bearings and magnetic bearings, and back again.
Maps are essential when it comes to navigating in unfamiliar or dangerous terrain, and if we don’t look after them we can put ourselves and others at great risk. This lesson will briefly introduce the […]