True bearing is measured from North (000) to the right all the way up to 359, which is 1 degree left of north.
The binoculars and active sonars on the FFG use the idea of relative bearing, which is measured the same way except that it places the ship's heading at 000.
Example: If a ship is on course 030, and the lookout spots a contact at a relative bearing of 030, the true bearing of the contact (measured from north) is 060.
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