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Geomagnetic data of Geodetic Observatory Geomagnetic data of Coninuous Geomagnetic Station Geomagnetic chart Total force observation on Mt.Fuji MT(Magnetotellurics) data Time series Aeromagnetic survey Report of geomagnetic survey	MT observation data at Esashi observatory and Wakuya station are in this page. File contains electric field(NS[Ex] and EW[Ey] components), and magnetic field(NS, EW, Up-Down components) time series data. For more information about MT (Location, Time series data format, ASCII converter, Format converter, Calibration file)   Time series Latest 3 months data are available. If you need more previous data, please contact Geomagnetic Section (gmaggsi.go.jp).
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