Amplitude relative to magnetic east or west.
Related Terms |
ARMATURE DEMAGNETIZATION
The reduction in the effective magnetic lines of force, produced by the armature current.
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AIR GAP
The space between magnetic poles, or between the rotating and stationary assemblies in a motor or generator.
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HALVING
The process of adjusting magnetic compass correctors so as to remove half of the deviation on the opposite cardinal or adjacent intercardinal headings to those on which adjustment was originally made when all deviation was removed. This is done to equalize the error on opposite headings.
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HEELING MAGNET
A permanent magnet placed vertically in a tube under the center of a marine magnetic compass, to correct for heeling error.
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GRID MAGNETIC ANGLE
Angular difference in direction between grid north and magnetic north. It is measured east or west from grid north. Grid magnetic angle is sometimes called GRID VARIATION or GRIVATION.
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GRID TRACK
The direction of the track relative to grid north
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HELIOCENTRIC
Relative to the sun as a center
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FRICTION
The resisting force encountered at the common boundary between two bodies when, under the action of an external force, one body, moves or tends to move relative to the surface of the other.
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FRETTING
Wear phenomena taking place between two surfaces having oscillatory relative motion of small amplitude.
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FRETTING
Wear phenomena taking place between two surfaces having oscillatory relative motion of small amplitude.
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