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Online Calculators for the World Magnetic Model
Single Point Calculator
DoD World Magnetic Model Single Point Calculator (2010 - 2015)
This web-calculator will produce output for a single point for a range of dates. Select the WMM2010 radio button to get results from the World Magnetic Model.
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Input And Output
The input parameters and valid entries are:
- Latitude -90.00 to +90.00 degrees
Longitude -180.00 to +180.00 degrees
Altitude referenced to the WGS 84 ellipsoid
Date January 1, 2010 to December 31, 2014.
The seven magnetic components computed are:
- F - Total Intensity of the geomagnetic field
H - Horizontal Intensity of the geomagnetic field
X - North Component of the geomagnetic field
Y - East Component of the geomagnetic field
Z - Vertical Component of the geomagnetic field
I (DIP) - Geomagnetic Inclination
D (DEC) - Geomagnetic Declination (Magnetic Variation)
Annual change in each of these magnetic components is also displayed. The annual
change is computed by subtracting the main field values for the desired input date
from main field values one year later. The output units are displayed using the
abbreviations nT (nanoTesla), deg (degrees) and min (minutes) per year.
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Grid Calculator [Coming Soon]
DoD World Magnetic Model Grid Calculator (2010 - 2015)
This web-calculator will produce output for a grid of points for a range of dates. It outputs as either XML or CSV. Select the WMM2010 radio button to get results from the World Magnetic Model. [Not currently available]
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Declination Calculator [Coming Soon]
DoD World Magnetic Model Grid Calculator (2010 - 2015)
This web-calculator will give declination for a single point. If HTML output is selected it includes a google map with sample compass. Select the WMM2010 radio button to get results from the World Magnetic Model. [Not currently available]
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