Fig. 7From: Ionospheric irregularity behavior during the September 6–10, 2017 magnetic storm over Brazilian equatorial–low latitudesEnlarged view of Bz, AE, Sym-H, Ey, ΔHBel-Pet, São Luís F layer height and peak density for the day 08. The vertical dashed blue lines mark three initiations of Bz northward excursionsBack to article page