Want to learn how to read a compass? Our wilderness expert's guide will teach the parts of a compass, and how to use this valuable tool.

Ricoh adds a 3-axis compass, called an SE-3 GPS module, to its 500SE GPS camera, such that it displays the position and azimuth of the camera on its liquid crystal display.

Cadets from 3rd Regiment, Basic Camp laced up their boots and grabbed a compass for their land association and map reading courses on July 13.

The azimuth mirror (Fig. 5) applied to the compass before you was designed to obviate that objection.

Simplified azimuth tables, in conjunction with maps of the stars, have mostly been employed, but it is evident that such tables may be replaced by graphical projections of the circles of the ...