2.2.2 spase://SMWG/Person/Chosaka 2012-04-20T12:34:56.789 Chosaka Kakioka Magnetic Observatory, Japan

Research Division, Kakioka Magnetic Observatory, Kakioka 595, Ishioka-shi, Ibaraki-ken, 315-0116, Japan

chosa@kakioka-jma.go.jp +81 299 44 0173