Tomography results -
TEC and electron density statistics


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Geotrim GPS stations

TEC measurement and inversion theory

Vertical el. dens. profiles

TEC along meridians

TEC and Ne statistics

Various statistical results of the tomography over Finland.

Click on a thumbnail to see the plot larger.

Mean and maximum TEC in December 2006


1-8 December

9-16 December

17-24 December

25-31 December

Median TEC gradient in December 2006


1-8 December

9-16 December

17-24 December

25-31 December

Standard deviation of TEC time derivative in December 2006


1-8 December

9-16 December

17-24 December

25-31 December

Height of the ionosphere in December 2006.
The height of the ionosphere is calculated as the height where the horizontally averaged electron density is largest. Also included: the height of the overall maximum electron density.


1-8 December

9-16 December

17-24 December

25-31 December

Mean and maximum electron density at height of the ionosphere, and overall maximum electron density, in December 2006


1-8 December

9-16 December

17-24 December

25-31 December


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