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Earth, Planets and Space
Fig. 3 | Earth, Planets and Space

Fig. 3

From: Ionospheric irregularity behavior during the September 6–10, 2017 magnetic storm over Brazilian equatorial–low latitudes

Fig. 3

Magnetic index Sym-H (a), eastward interplanetary electric field Ey (b), ionospheric vertical plasma drift Vd (c), GPS S4 index (d), VHF S4 index (e) and the VHF zonal drift (f) for the days 06 to 10. The light blue shaded area at c represents the prereversal period of 21:00–24:00 UT (18:00–21:00 LT), and the vertical dashed red lines represent the 2 SSCs

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