Memambetsu Geomagnetic Field
Average 1-hour (00-59)
from 1958-01-01T00:00:00 to 1 month ago (-P1M)
Geomagnetic field (MMB)
definitive
DHZF
Average 1-minute (00:30-01:29)
from 1985-01-01T00:00:00 to 1 month ago (-P1M)
Geomagnetic field (MMB)
definitive
DHZF
Average 1-minute (00:30-01:29)
from 1975-01-01T00:00:00 to 1984-12-31T23:59:00
Geomagnetic field digitized from magnetograms (MMB)
quasi-definitive
DHZF
1-second (instantaneous)
from 1997-04-01T00:00:00 to 1 month ago (-P1M)
Geomagnetic field (MMB)
definitive
DHZF or XYZF
7.5-second (interpolation)
from 1975-01-01T00:00:00 to 1984-12-31T23:59:59
Geomagnetic field digitized from magnetograms (MMB)
quasi-definitive
DHZF
1-decisecond (instantaneous)
from 1997-04-01T00:00:00 to 1 month ago (-P1M)
Geomagnetic field (MMB)
variation
XYZF
Reproductions of Analog Magnetograms
from 1969-01-01T00:00:00 to 1984-12-31T23:59:59
Geomagnetic field (MMB)
variation
DHZ