Triangulation is used to locate your position when two ... don't rely on a GPS unit in place of solid knowledge of map and compass. Battery failure, damage to the GPS unit, or even leaving it behind ...

The compass gives you the direction to travel. Triangulation is like asking, “Where am I?” It uses bearings from multiple ...

A map is essential for telling us which direction to travel in. A four-point compass - The four main ... shows that the height of the summit at the triangulation pillar at Garnedd Ugain (a ...