Earliest records show a spoon shaped compass made of ... markings of the heaven's plate around its circumference, in a simplified form. The inner circle had the eight trigrams and the outer circle the ...

A thumb loop will help you hold your compass steady when shooting an azimuth. Using a compass accurately requires precision, so take all the help you can get. You can’t earn a Purple Heart in ...

The combination of an integrated compass, inclinometer and distance laser gave measurement professionals the best possible azimuth accuracy — and mapping-grade precision — no matter the angle it was ...

Learning to use their compass also includes how to hold their weapons while out in the woods, keeping in mind that the metal on their weapons affects the accuracy of their azimuth. Once Cadets are ...

Specifications include an accuracy to 1° azimuth, a 0.1° resolution, tilt-compensation up to ±60°, 0.1° resolution for roll and pitch, and a 50-kg shock rating. The compass also features a ...