magnetic variation


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Related to magnetic variation: Magnetic deviation

magnetic variation

n.
1. Differences in the earth's magnetic field in time and location.

magnetic variation

n
(General Physics) another name for magnetic declination

magnetic variation

1. In navigation, at a given place and time, the horizontal angle between the true north and magnetic north measured east or west according to whether magnetic north lies east or west of true north. See also magnetic declination.
2. In cartography, the annual change in direction of the horizontal component of the Earth's magnetic field.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.magnetic variation - the angle (at a particular location) between magnetic north and true northmagnetic variation - the angle (at a particular location) between magnetic north and true north
angle - the space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radians
References in classic literature ?
There is a good stone prison here; and there are, besides, a handsome church, a court-house, public offices, many commodious private residences, and a government observatory for noting and recording the magnetic variations.
The sentence contains everything our GPS application needs: latitude, longitude, speed, bearing, satellite-derived time, fix status and magnetic variation (see table 2).
The purpose was to verify proper operation of the equipment where the magnetic variation from true north and magnetic north is greatest and conditions are not normal.