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Magnetic declination - Wikipedia


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


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

Find Your Declination Adjustment Value - Compass Store


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

Magnetic declination calculator


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

State Tables of Magnetic Declination - CT.gov


These tables give the estimated values of magnetic declination at each degree of ... derived using the source data of table 4 of Coast and Geodetic Survey.

Magnetic Variation | Official OpenCPN Homepage


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 ...

Declination Adjustment on a Compass - REI Expert Advice - 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.

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


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 Values for the Fifty State Highpoints


Table of Fifty State Highpoint Magnetic Declinations. State, Map Date, Map Declination, Geomagix Declination. AK, 1954, 26 deg E, 23.2 deg E. AL, 1976, 1.5 ...

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.

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NCEI Mobile Magnetic Declination Calculator


NOAA. NGDC Mobile Declination Calculator. Latitude: Longitude: Year: ... 23, 24, 25, 26, 27, 28, 29, 30, 31. Calculate. Declination from WMM: ° (+E | -W) Options ...

Magnetic Declination


Find the magnetic declination at your location. Find your location or click on the map to display your magnetic declination .... Magnetic declination: +13° 28'

Magnetic Declination - Compass Dude


Learn about magnetic declination effecting compass directions.