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dc.contributor.authorRasson, J.
dc.coverage.temporal21st century
dc.identifierISBN-10 1-4020-5024-0 (PB)
dc.descriptionAnybody who has been on the open sea without visual clues for orientation or, worse, trapped in the dark by a sudden failure of the lighting system, nknows how easy it is to feel lost. If a navigation system is available, then there is a means to calming down and finding your way. The geomagnetic declination allows one to do just that: navigate and find a way to destination with the aid of a specialized instrument called a "magnetic compass". The principle function of the compass is to indicate the North direction on a graduated horizontal disk. This disk is free to rotate around a vertical axis and is actually moved by the torque exerted by the horizontal component of the geomagnetic field on a magnet inside it. The compass indicates the direction of Magnetic North, which is different from True North. The difference between the two directions is the magnetic declination.
dc.relation.ispartofseriesPart of the series NATO Security through Science Series
dc.titleGeomagnetic measurements for Aeronautics
dc.subject.frascatiEarth and related Environmental sciences
dc.audienceGeneral Public
dc.subject.freenavigation system
dc.subject.freegeomagnetic declination
dc.subject.freemagnetic compass
dc.source.issuePart of the series NATO Security through Science Series
dc.source.pagep. 213-230
Orfeo.peerreviewedNot pertinent

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