Geomagnetic data
Okinawa hourly data(IAGA2002 format)
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Available
01/1999 ～ 06/2023
Definitive data
01/1999 ～ 11/2020
Provisional data
12/2020 ～ 06/2023
Geomagnetic data
MT data
Geomagnetic charts
Aeromagnetic data
Report of geomagnetic survey