|
Related articles:
Compass
North Magnetic Pole
Nautical chart
Voyages of Christopher Columbus
Key terms: north magnetic map declination compass bearing angle true north degrees course location pole navigation magnetic north variation direction charts change adjusted zero gps iron read stating arrow deviation usgs magnetic declination scale flows diagram magnetic bearings varies needle calculator cylinder indicate accurate geomagnetism baseplate correction north pole air navigation magnetic field magnetic variation angle between geographic north between magnetic local declination where the declination Search external links cited by footnotes on Wikipedia page Magnetic declination: |
|