Whole Circle Bearing (WCB) & Reduced Bearing (RB)

 



Whole Circle Bearing (WCB)

Bearings are measured clockwise from north of reference meridian.

·         It varies from 0 degrees to 360 degrees in the clockwise direction

·         North will be zero degrees; East will be 90 degrees; South will be 180 degrees and West will be 270 degrees.

·         Prismatic compass uses the WCB system

Reduced Bearing (RB)

Bearings are measured either clockwise/anti-clockwise from north/south whichever is close to the line. ​

It is also known as Quadrantal Bearing (QB)

Angles vary from 0 degrees to 90 degrees

It is measured from either clockwise/anti-clockwise from north/south Four quadrants are possible namely NE, SE, SW and NW

Surveyor's compass used RB system.

To view more details about whole circle bearing and Reduced bearing with an example problems click the below link:

                                                          https://youtu.be/9cLbs7L5hho


 

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