International Geomagnetic Reference Model

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The International Geomagnetic Reference Model (IGRF) is mathematical representation of Earth's magnetic field developed by the National Oceanic and Atmospheric Administration (NOAA). It is used in applications to determine heading or attitude information.

[edit] See Also

• WMM: World Magnetic Model

[edit] External Links

• IGRF Model from the National Geophysical Data Center
• IAGA Description of IGRF by the International Association of Geomagnetism and Aeronomy (IAGA)