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This section concentrates on the Compass - in particular its errors, variation, deviation.
Why are there errors? - How do we find them? - How do we correct them?
We look at:-
‘Swinging the Compass’ (finding the Compass Error on any heading)
Reciprocal, or Back Bearings
Relative Bearings
Magnetic Bearings
Converting bearings and courses (True to Compass, - Compass to True etc.)
The PELORUS Compass - What is it? How does it work - How to make a very efficient Pelorus Compass from the Compass Card supplied with ‘Coastal Navigation - it’s easy!
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