| Instrument | Operational Period | Available Digitally |
|---|---|---|
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| Ionosonde | 1957-08-01 - today | 1957 - today (monthly medians) |
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| Magnetometer | 1914-1944, 1946-today | Q-index: 1957- K-index: 1968 - 1 min data table: 1980 - Sodankylä data plots: 1985 - Monthly means table: 1993 - Finnishmagn. data plots: 1995 - |
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| Riometers | 1970 - today | 1986- |
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| Pulsations | NUR: 1968 SOD: 1971 KEV: 1974-1991 OUL: 1975 KIL,IVA,ROV: 1985 |
SOD: 1995 - KIL,IVA,ROV: 1999 - OUL,NUR: 2000 - |
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| Tomography | November 2002 - today | November 2002 - today |
Last modified: 15 June 2010, 08:07:47.
Viimeksi päivitetty: 26.10.2016