Data Links

• Ionospheric Prediction Services - (IPS Radio and Space Services)
• Magnetograms, Learmonth
• Magnetograms, Finland
• Magnetograms, Canada
• Observatory data, World Data Center C-1
• Hourly means, British Geological Survey
• Annual means, British Geological Survey
• Hourly means, World Data Center - A
• Minute data, National Geophysical Data Center (NGDC) - USA
• NGDC, Geomagnetic data
• NGDC, STEP
• Download NGDC data
• Geological Survey of Canada data

INTERMAGNET Links

• INTERMAGNET, General
• INTERMAGNET data requests

Organisations/Other Links

• Australian Antarctic Division (AAD)
• INTERMAGNET project
• National Geophysical Data Center (NGDC), USA
• Information on Indices Derivation and Availability
• International Service for Geomagnetic Indices (ISGI), France home page
• The Federation of Astronomical and Geophysical Data Analysis Services (FAGS)

Geomagnetism facts

• National Geophysical Data Center (USA)
• British Geological Survey (BGS)

Indices Links

k index

• k indices, British Geological Survey
• k indices, Geological Survey of Canada
• k indices from Australian Space Weather Agency

aa index

The index is calculated at the International Service for Geomagnetic Indices (ISGI), France.

• aa indices, British Geological Survey
• aa indices, NOAA

Other indices

The International Services of Geomagnetic Indices (ISGI) is in charge of elaboration and dissemination of magnetic indices.

• Geomagnetic Indices Bulletin
• All indices, WDC C-1
• aa, ae, ap, dst, kp (NGDC)
• All indices, WDC Kyoto
• Activity forecasts, Canada

IQD/IDD indices

IQDs and IDDs are derived at Potsdam - GFZ.

• National Oceanic & Atmospheric Administration (NOAA)