- W.C.B -Whole Circle Bearing or Azimuth Bearing
- R.B - Reduced Bearing or Quadrant Bearing
An Surveyor Compass has Reduced Bearings system in which the compass is divided into four sections, each containing 90°. The two quadrants in the northern half of the compass are numbered from 0° to 90° away from north (clockwise in the east, counterclockwise in the west). In the southern half of the compass, the two quadrants are numbered away from south (counterclockwise in the east, clockwise in the west).
Portable Version Compatible with all version of Windows
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