• Geomagnetic data
  • Geoelectric data
  • Atmospheric electric data
  • Observational investigation
  • Geomagnetic event catalogs
  • Annual means of geomagnetic data

    • 

    Memambetsu Geoelectric Field

    Geoelectric field observation was terminated on February 28th, 2021.


    1-hour digital data

    from 1962-01-01T00:00:00 to 2021-02-28T23:00:00

    Geoelectric field (MMB)

    definitive

    XYZF

    1-minute digital data

    from 1987-01-01T00:00:00 to 2021-02-28T23:59:00

    Geoelectric field (MMB)

    definitive

    XYZF

    1-second digital data

    from 2000-01-01T00:00:00 to 2021-02-28T23:59:59

    Geoelectric field (MMB)

    definitive

    XYZF

    1-decisecond digital data

    from 1997-04-01T00:00:00 to 2021-02-28T23:59:59

    Geoelectric field (MMB)

    variation

    XYZF