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One of 24 competitors at the night urban warfare orienteering course during the 2009 Department of the Army Best Warrior Competition at Fort Lee, Virginia. Land navigation is the discipline of following a route through unfamiliar terrain on foot or by vehicle, using maps with reference to terrain, a compass, and other navigational tools. [1]
Silva Sweden AB is an outdoors products company that sells handheld compasses and other navigational equipment including GPS tools, mapping software, aircraft altimeters, and marine navigation tools. Silva's founders - Gunnar Tillander, Alvar Kjellström, Arvid Kjellström, and Björn Kjellström - invented the hugely popular orienteering ...
A modern military compass, with included sight device for aligning. A compass is a device that shows the cardinal directions used for navigation and geographic orientation. It commonly consists of a magnetized needle or other element, such as a compass card or compass rose, which can pivot to align itself with magnetic north.
Thus, the use of a magnetic compass by the military for land navigation occurred sometime before 1044, but incontestable evidence for the use of the compass as a maritime navigational device did not appear until 1117. The typical Chinese navigational compass was in the form of a magnetic needle floating in a bowl of water. [46]
Originally a training exercise in land navigation for military officers, orienteering has developed many variations. Among these, the oldest and the most popular is foot orienteering. For the purposes of this article, foot orienteering serves as a point of departure for discussion of all other variations, but almost any sport that involves ...
Cutaway of an Anschütz gyrocompass A gyrocompass repeater. A gyrocompass is a type of non-magnetic compass which is based on a fast-spinning disc and the rotation of the Earth (or another planetary body if used elsewhere in the universe) to find geographical direction automatically.