Figure 7
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Profiles of the electron density along the orbits of Swarm A and C satellites (a) and the corresponding variation of the NeGIX (b), cf. also with Figure 6e. The difference in the records and the corresponding variability of the gradient index show that the satellites crossed different regions of the EPBs. The maximum magnitude of the NeGIX vector shown in (b) is 11571 e cm−3 km−1.
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