Memambetsu Geomagnetic Field
Annual mean digital data
from 1958-01-01T00:00:00 to 1 year ago (-P1Y)
Geomagnetic field (MMB)
definitive
DIHXYZF
1-hour digital data
from 1958-01-01T00:00:00 to 1 month ago (-P1M)
Geomagnetic field (MMB)
definitive
DHZF
1-minute digital data
from 1985-01-01T00:00:00 to 1 month ago (-P1M)
Geomagnetic field (MMB)
definitive
DHZF
1-minute data digitized from magnetograms
from 1967-01-01T00:00:00 to 1984-12-31T23:59:00
Geomagnetic field digitized from magnetograms (MMB)
quasi-definitive
DHZF
1-second digital data
from 1997-04-01T00:00:00 to 1 month ago (-P1M)
Geomagnetic field (MMB)
definitive
DHZF or XYZF
7.5-second data digitized from magnetograms
from 1967-01-01T00:00:00 to 1984-12-31T23:59:59
Geomagnetic field digitized from magnetograms (MMB)
quasi-definitive
DHZF
1-decisecond digital data
from 1997-04-01T00:00:00 to 1 month ago (-P1M)
Geomagnetic field (MMB)
variation
XYZF
Analog magnetograms
from 1962-01-01T00:00:00 to 1984-12-31T23:59:59
Geomagnetic field (MMB)
variation
DHZ