DTU Space
Technical University
of Denmark

FMI
Finnish Meteorological
Institute

SGO
Sodankylä Geophysical
Observatory

Geophysical Institute
University of Alaska
Fairbanks

• Archive magnetograms - Plot magnetograms for each station.
  
• Realtime magnetograms - 24 hr realtime plots.
  
• Stackplot - Stacked plots for selected stations, realtime or archive data.

• Ascii data - Download or view digital data. You may need a password.
  
• K-indices - Realtime latest week.
  
• Activity Index - Activity Index, Tromsø since 1987
  
• History Activity index - for 7 sites
  
• Hourly Range Index (R)
• GIC proxy - nT/sec
  
• Daily Mean Values - Last 3 years DIF Daily Mean Values
  
• Weekly Mean Values From the digital start
  
• Annual means or
• Monthly means - For Tromsø, Dombås and Bjørnøya
  
• Scanned magnetograms - Tromsø, Bjørnøya

• Coverage TGO loggers -
  
• Coverage DTU loggers -
  
• Coverage Finnish (FMI/SGO) loggers -

• Horizontal storminess/intensity
  
• Magnetometer Oslo 1843-1930

• Quick Look - Geomagnetic activity 'Quick Look' pages.
  
• Compose your own page
  
• Realtime electrojet tracker
  
• To new users - Read this if you want to use our data
  
• Data access
  
• TGO main page
  
• Station map
  
• Station info Norway, Denmark and Tristan da Cunha (.pdf)