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en.wikipedia.org/wiki/Magnetic_declination

Magnetic declination or variation is the angle on the horizontal plane between magnetic north .... With a local declination of 14°E, a true bearing (perhaps taken from a map) of 54° is converted to a magnetic bearing (for use in the field) by ...

ngdc.noaa.gov/geomag/declination.shtml

Magnetic declination (variation) calculator based on the IGRF magnetic field model. Estimates magnetic delination ... Declination Map Viewer. Displays historical ...

www.thecompassstore.com/decvar.html

Magnetic declination adjustment values are easy to determine with these helpful map charts and page links.

www.magnetic-declination.com

Find your location or click on the map to display your magnetic declination, Browse countries What is Magnetic Declination?

www.rei.com/learn/expert-advice/compass-declination.html

Mar 20, 2017 ... Learn what declination is and how to adjust it on a compass. ... a map pointing to the difference between magnetic north and true north.

www.compassdude.com/compass-declination.php

Does it make good sense to use a map's declination information if that map is more than a couple years old? NO, you should use recently published maps or ...

www.geomag.nrcan.gc.ca/calc/mdcal-en.php

Feb 24, 2017 ... Grid Declination is defined as the angle of magnetic North relative to ... shown on navigation charts with a Tranverse Mercator projection for a ...

geomag.nrcan.gc.ca/mag_fld/magdec-en.php

Feb 24, 2017 ... Information on magnetic declination. ... Declination charts have been produced on a regular basis ever since. Halley map of atlantic ocean with ...

www.moontracks.com/daily-declinations.html

Declinations of the personal planets; Sun, Mercury, Venus, Mars and Jupiter ... Lunar Living Astrology & Moon Tracks Astrology - Charts, tables, and graphs on ...

www.map-reading.com/declina.php

DECLINATION DIAGRAM. Declination is the angular difference between any two norths. If you have a map and a compass, the one of most interest to you will be ...