AATR an ionospheric activity indicator specifically based on GNSS measurements | Journal of Space Weather and Space Climate

Space weather effects on GNSS and their mitigation

Open Access

Fig. 9

Relation of the mean AATR computed from receivers situated around and LTs around the noon, with the D_ST. The first half of the year 2003 is depicted in the top panel, while the second half in the bottom panel.

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