structural:scholar_edition, linguistic:paraphrasing, structural:expansion, linguistic:translation, quality:corruption
Azimuth

The directional names are routinely associated with azimuths, the angle of rotation (in degrees) in the unit circle over the horizontal plane. It is a necessary step for navigational calculations (derived from trigonometry) and for use with Global Positioning System (GPS) receivers. The four cardinal directions correspond to the following degrees of a compass: