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## Magnetic declination

en.wikipedia.org/wiki/Magnetic_declination

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 (Variation) | NCEI

www.ngdc.noaa.gov/geomag/declination.shtml

Magnetic declination, sometimes called magnetic variation, is the angle between magnetic north and true north. Declination is positive east of true north and ...

www.thecompassstore.com/decvar.html

## Magnetic declination

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

Apr 14, 2015 ... The angle between magnetic north and true north is called magnetic declination. Many people believe that a compass needle points at the ...

## How to adjust for magnetic declination or variation - Google Compass

Automatically adjust a Google Maps compass bearing by adding or subtracting the magnetic declination or variation value for anywhere in the world.

## Full text of "United States Magnetic Declination Tables and Isogonic ...

www.archive.org/stream/unitedstatesmag01bauegoog/unitedstatesmag01bauegoog_djvu.txt

102 The Magnetic Declination in the United States and Outlying Territories for January i, 1902. Introduction 117 Explanatory^ Remarks to Declination Tables 117 ...

## Magnetic Declination

www.magnetic-declination.com/

Mountain View California Latitude: 37° 24' 21.6" N Longitude: 122° 4' 42.7" W Magnetic declination: +13° 30' Declination is POSITIVE (EAST) Inclination: 60° 58'

## True & magnetic; Learn about the compass, variation, and deviation.

www.schoolofsailing.net/true-and-magnetic.html

Variation. This is the difference, in degrees, between true and magnetic. ... We would normally have a deviation table made up for our ship's compass so that we  ...

## Magnetic Variation | Official OpenCPN Homepage

opencpn.org/magnetic-variation

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 ...

## AERO - Correcting the Effects of Magnetic Variation - Boeing

www.boeing.com/commercial/aeromagazine/articles/qtr_04_09/4/

Airlines should make sure they update their inertial reference systems to the latest magnetic variation (MagVar) tables in order to avoid potentially hazardous  ...

### Magnetic Field Calculators

www.ngdc.noaa.gov

Magnetic Field Calculators. Declination U.S. Historic Declination Magnetic Field Magnetic Field Component Grid. NOAA > NESDIS > NCEI (formerly NGDC) > ...

### Magnetic declination calculator

www.geomag.nrcan.gc.ca

Apr 13, 2015 ... Date. The range of dates permitted with the International Geomagnetic Reference Field (IGRF-12) ranges from 1900 and 2020.

### Declination Adjustment on a Compass - REI Expert Advice - REI.com

www.rei.com

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.