Magnetic declination
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Magnetic declination is the angle between magnetic north (the direction the north end of a compass needle points) and true north. The declination is positive when the magnetic north is east of true north. The term magnetic variation is a synonym, and is more often used in navigation. Isogonic lines are where the declination has the same value, and the lines where the declination is zero are called agonic lines.
- See also: Wikipedia
- Related: Geomagnetism, L-shell, Magnetic deviation, Magnetic inclination, North Magnetic Pole, Pole star, Shen Kuo
| USGS Geomagnetism Program USGS Geomagnetism Program geomag.usgs.gov - Web |
| Looks up your IP address location and tells you yo... Looks up your IP address location and tells you your declination. www.magnetic-declination.com - Web |
| Online declination calculator at the National Geop... Online declination calculator at the National Geophysical Data Center (NGDC) www.ngdc.noaa.gov/geomag-web/#declination - Web |
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| Online declination and field strength calculator a... Online declination and field strength calculator at the NGDC www.ngdc.noaa.gov/geomag-web/#igrfwmm - Web |
| Mobile web-app for magnetic declination at the NGD... Mobile web-app for magnetic declination at the NGDC www.ngdc.noaa.gov/geomag-web/calculators/mobileDeclination - Web |
| Magnetic declination calculator at Natural Resourc... Magnetic declination calculator at Natural Resources Canada geomag.nrcan.gc.ca/apps/mdcal-eng.php - Web |
