Cardinal and intercardinal points
November 23, 2020
Measurement of position and distance on the earth’s surface
November 23, 2020
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Three figure notation.

All bearings and headings (courses) are expressed in three figures. For example:

  • North is expressed as 000°.
  • South is expressed as 180°.
  • North-west is expressed as 045°.
  • Five degrees to the right of north is expressed as 005°.

The reason for this is to avoid confusion with any other angular measurement.