4.7 Solar, Planetary and Geomagnetic Activity Indices
4.7.1 Geomagnetic Planetary Indices
Provided by : Institut fur Geophysik, FRG
from Aug., 1986 onward
4.7.2 Planetary Magnetic Three-hour-Range Indices Kp
(after Bartels)
Provided by : Institut fur Geophysik, FRG
from May, 1986 onward
(Digital Data Base from 1971, onward)
4.7.3 Daily Geomagnetic Character Figures C9 and
3-Day Mean Sunspot Numbers R9 (after Bartels)
Provided by : Institut fur Geophysik, FRG
from Dec., 1986 onward
4.7.4 aa indices, International Quiet and Disturbed Days,
Preliminary Report on Rapid Variations and
Hourly Equatorial Dst Values (IAGA Monthly Bulletin)
Provided by : Royal Netherlands Meteorological Institute,
The Netherlands
from Jun., 1986 onward
4.7.5 Provisional Sunspot Numbers
Provided by : Sunspot Index Data Center (WDC-C1), Belgium
from Dec., 1986 onward
4.7.6 RI Definitive Sunspot Numbers
Provided by : Sunspot Index Data Center (WDC-C1), Belgium
from Jan.1, 1983 onward
4.7.7. Provisional Hourly Values of Equatorial DST
Provided by : WDC for Geomagnetism, Kyoto University
from Jan.1, 1992 onward