Reciprocal bearing calculation.

Quickly finding the reciprocal of your course or a bearing can be useful.

If you struggle with the maths, there is a simple short cut. Instead of adding 180 degrees to a bearing try adding 200 then subtract 20.

E.g.

Bearing	127
Add 200	327
Subtract 20	307

 

Bearing	323
Subtract 200	123
Add 20	143

Most people can handle adding and subtracting 2 much easier that 180!

 

 

 

 

 

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