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The eleventh generation of the International Geomagnetic Reference Field (IGRF) was
adopted in December 2009 by the International Association of Geomagnetism and Aeronomy
Working Group V-MOD. It updates the previous IGRF generation with a definitive main
field model for epoch 2005.0, a main field model for epoch 2010.0, and a linear predictive
secular variation meodel for 2010.0-2015.0. |