2.2.2 spase://SMWG/Person/H.Hamazaki 2012-04-20T12:34:56.789 H. Hamazaki Geographical Survey Institute, Geodetic Department, Japan

Geomagnetic Section, Physical Geodesy Division, Geographical Survey Institute, Kitasato-1, Tsukuba-shi, Ibaraki-ken, 305-0811, Japan

gmag@gsi.go.jp +81 29 864 1802