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Data Services
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Models & Compass Variations
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World Magnetic Model
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Mercator Projections
Mercator Projections
Please click on an image to enlarge.
Declination pdf
Annual rate of change of Declination pdf
Inclination pdf
Annual rate of change of Inclination pdf
Total Intensity pdf
Annual rate of change of Total Intensity pdf
Horizontal Intensity pdf
Annual rate of change of Horizontal Intensity pdf
Vertical Intensity pdf
Annual rate of change of Vertical Intensity pdf
North Component pdf
Annual rate of change of North Component pdf
East Component pdf
Annual rate of change of East Component pdf
Data and Services
Data
Models & Compass Variation
Grid Magnetic Angle Calculator
World Magnetic Model
BGGM
IGRF Model
Geomagnetic Coordinate Calculator
Space Weather
Solar & Geomagnetic Data
Solar & Geomagnetic Forecasts
Geomagnetic Pulsations
Geoelectric Field
Space Weather Alerts
Current conditions
Geomagnetically Induced Currents
Geomagnetic Coordinate Calculator
Directional Drilling
BGGM
IFR
BGGM/IFR/IIFR
1.5MB pdf
INTERMAGNET software
IMCDViewer
GM_Convert
DataCheck1s