Tomography results -
TEC along meridians

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TEC on various meridians (lines of constant longitude).

Note that TEC is expressed here in TECU (TEC units), where 1 TECU = 10¹⁶ electrons/m².

The locations of ASC stations on or near these meridians are marked at the left side of the graphs.

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Meridian: (select meridian) Longitude 19.23° (Tromsø) Longitude 20.87° (Kilpisjärvi) Longitude 23.53° (Muonio) Longitude 26.65° (Hankasalmi) Day: (select day) 1 December 2006 2 December 2006 3 December 2006 4 December 2006 5 December 2006 6 December 2006 7 December 2006 8 December 2006 9 December 2006 10 December 2006 11 December 2006 12 December 2006 13 December 2006 14 December 2006 15 December 2006 16 December 2006 17 December 2006 18 December 2006 19 December 2006 20 December 2006 21 December 2006 22 December 2006 23 December 2006 24 December 2006 25 December 2006 26 December 2006 27 December 2006 28 December 2006 29 December 2006 30 December 2006 31 December 2006 1-8 December 2006 9-16 December 2006 17-24 December 2006 25-31 December 2006

Longitude 19.23°: the meridian accross Tromsø (lat 69.59°); December 2006

1-8 December

9-16 December

17-24 December

25-31 December

Longitude 20.87°: the meridian accross Kilpisjärvi (lat 69.02°); December 2006

1-8 December

9-16 December

17-24 December

25-31 December

Longitude 23.53°: the meridian accross Muonio (lat 68.02°); December 2006

1-8 December

9-16 December

17-24 December

25-31 December

Longitude 26.65°: the meridian accross Hankasalmi (lat 62.30°) and near Kevo (lat 69.76° lon 27.01°) and Sodankylä (lat 67.42° lon 26.39°); December 2006

1-8 December

9-16 December

17-24 December

25-31 December