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Faculty of Science and Technology
UiT, The Arctic University of Norway
Ionosonde Data Page
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Today's Ionosonde 2003-> :

Realtime ionograms 
Archive data 2003 -> Today

Digital data from old tapes 1984-1992:

Plot ionograms (digital)
Data coverage
About the old ionosonde

Digitized film .gif's 1980-1982:

Plot ionogams (analog)

Tromsø Ionosonde noon foF2 values:

1932 - 2024

TGO staff
Last page update 18.Feb.2023