Interactive system for scaling ionograms (report)
Solar Eclipse 30 June 1954 seen from Uppsala
Preparations for a Dynasonde in Lycksele
Scaled data from Sweden 1957 up to 1975 in one picture
Scaled data from Sweden 1976 up to 1989 in one picture and 1982 as music
Scaled Data from Kiruna 1982 as sound
Mir going down with Ionospheric Music