International Geomagnetic Reference Field - 11th Generation

The eleventh generation of the International Geomagnetic Reference Field (IGRF) was adopted in December 2009 by the International Association of Geomagnetism and...国际地磁参考场（International Geomagnetic Reference Field，IGRF）第11代版本于2009年12月被国际地磁学与...协会正式采用。