TGO Tromsø Geophysical Observatory Ny Ålesund Longyarbyen Hopen Bjørnøya Jan Mayen Nordkapp Sørøya Tromsø 2 Andenes Leknes Sodankyla Jäckvik (Sweden) Dønna Rørvik Dombås Solund Bergen Karmøy South Atlantic: Tristan Da Cunha	DTU Space Technical University of Denmark Brorfelde Rømø South Atlantic: Tristan Da Cunha Greenland, West coast: Qaanaaq (Thule) Savissivik Kullorsuaq Upernavik Uummannaq Qeqertarsuaq (Godhavn) Attu Kangerlussuaq (Søndre Strømfjord) Maniitsoq (Sukkertoppen) Nuuk (Godthåp) Paamiut (Frederikshåp) Narsarsuaq Greenland, East coast: Danmarkshavn Ittoqqortoormiit (Scoresbysund) Ammassalik (Tasiilaq)	FMI Finnish Meteorological Institute SGO Sodankylä Geophysical Observatory Kevo Masi (Norway) Kilpisjarvi Ivalo Muonio Sodankyla Pello Oulujarvi Mekrijarvi Hankisalmi Nurmijarvi Tartu (Estonia)	Geophysical Institute University of Alaska - Fairbanks Kaktovik Fort Yukon Poker Flat CIGO Gakona Trapper Creek -------------------------------- Div. European: Wien
Data after 1986 -> ... Please check coverage -------------> Quick Look - Geomagnetic activity 'Quick Look' pages. Ascii data - download or view here. Stackplot - realtime and archive data. K-indices - realtime latest week. Activity Index - Activity Index, Tromsø since 1987 History Activity index - for 7 sites Daily Mean Values - Last 3 years DIF Mean Values Realtime electrojet tracker Compose your own page Annual means or Monthly means		Coverage of 10 sec. data: TGO loggers Danish (DTU) loggers Finnish (FMI/SGO) loggers To new users Data access TGO main page Station map
		Station info Norway, Denmark and Tristan da Cunha (.pdf)