Three Dimentional Localization and Locking Toolkits (3DLoc) consists of two main components: a pair of specialized antennas which detect the azimuth and elevation angles of the target device, ...

However, some surveyors have realized that calculating the direction of a line is much easier when using azimuths and then converting the azimuths to bearings for representation on documents.

Guoyun Lian, Research on Ship Azimuth-only Target Tracking Method Based on Computer Vision, Journal of Coastal Research, SPECIAL ISSUE NO. 115. Advances in Water Resources, Environmental Protection, ...