Magnetic declination or variation is the angle on the horizontal plane between
magnetic north ..... The GPS receiver natively reads in true north, but can
elegantly calculate magnetic north based on...
Magnetic declination, sometimes called magnetic variation, is the angle between
magnetic north and true north. Declination is positive east of true north and ...
Declination is calculated using the most recent World Magnetic Model (WMM) or
the International Geomagnetic Reference Field (IGRF) model. For 1590 to 1900 ...
Apr 13, 2015 ... Date. The range of dates permitted with the International Geomagnetic Reference
Field (IGRF-12) ranges from 1900 and 2020.
Magnetic declination adjustment values are easy to determine with these helpful
map charts and page links.
Mountain View California Latitude: 37° 24' 21.6" N Longitude: 122° 4' 42.7" W
Magnetic declination: +13° 28' Declination is POSITIVE (EAST) Inclination: 60°
Jul 27, 2016 ... What's the difference between magnetic north and true north? Learn the basics of
declination adjustment on a compass with this article.
Magnetic variation, or magnetic declination, is shown on paper and raster charts,
but can also be calculated using the World Magnetic Model. C source code for ...
102 The Magnetic Declination in the United States and Outlying Territories for
January i, 1902. Introduction 117 Explanatory^ Remarks to Declination Tables
Learn about magnetic declination effecting compass directions.