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Pages for logged out editors learn more. Contributions; Talk; ... Printable version; Page information; ... Map of magnetic declination in 2020. Source:
The following other wikis use this file: Usage on bn.wikipedia.org চৌম্বক বিচ্যুতি; Usage on hr.wikipedia.org Izogona
N g is geographic or true north, N m is magnetic north, and δ is magnetic declination. Magnetic declination (also called magnetic variation) is the angle between magnetic north and true north at a particular location on the Earth's surface. The angle can change over time due to polar wandering.
English: This is a world map of magnetic declination created by the National Geophysical Data Center at NOAA. Français : Carte mondiale de la déclinaison magnétique terrestre créé par le centre national des donnée géophysiques ( NGDC ) de l'agence américaine responsable de l'étude de l'océan et de l'atmosphère ( NOAA ).
User:Arielco/Magnetic declination Metadata This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
English: How to compensate for w:en:magnetic declination when using a compass. In this example, the declination is 14°E (+14°), so the direction indicated by the compass as north is actually 14° East of true North. Thus, if we read 40° (roughly NE) on the compass card, the corrected bearing is 40°+14° = 54°.
Magnetic declination from true north in 2000. Historically, the magnetic compass was an important tool for navigation. While it has been widely replaced by Global Positioning Systems, many airplanes and ships still carry them, as do casual boaters and hikers. [27] The direction in which a compass needle points is known as magnetic north.