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Table 4.

The values of the scale height H m at hmF2, calculated by the Digisondes autoscaling software.

9 February 2014 (quiet ionosphere)
20 February 2014 (positive ionospheric effect)
1445 UT 1500 UT 1445 UT 1500 UT
Arenosillo 73.2 km 57.2 km 49.0 km 43.7 km
Athens 37.0 km 35.6 km 18.8 km 40.3 km
Ebre 51.6 km 54.9 km 39.4 km 45.4 km
Juliusruh 46.0 km 46.0 km 40.8 km 43.8 km
Pruhonice 59.1 km 49.3 km 41.9 km 42.2 km
Rome 40.2 km 42.1 km 32.9 km 30.2 km
Mean value of the scale height 51.2 km 47.5 km 37.1 km 40.9 km
Quality Index 1.5 TECU 1.6 TECU 10.5 TECU 6.3 TECU

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