Understanding compass error

Article Abstract:

The magnetic compass plays an important part in navigation in responding to directional changes in the earth's magnetic field. Variations are fixed in all compass readings, and deviations are computed by comparing the compass bearing of a distant object to its fixed magnetic bearing.

Boating industry

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Navigation

Article Abstract:

The compass is one of the most important equipment in sailing. Mariners must know how to avoid compass errors to prevent accidents or being loss at sea. Compass error can be determined by using navigational tables and by calculating the body's true bearing and declination.

Maintenance and repair

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The shadow knows

Article Abstract:

Directions for constructing a simple sun compass are provided that can be used to determine the degree of deviation resulting from a boat's movement across the earth. The compass is made from a block of wood, a protractor and a straight piece of wire.

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