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Comparison between Van Allen Probe B data (dashed lines) with the VERB‐4D code results with and without subauroral polarization streams included (blue and black solid lines, respectively) for K = 0.3 G1/2 R E and μ = 0.1 MeV/G (a–c), 2.3 MeV/G (d–f), and 9.9 MeV/G (g–i). Columns correspond to satellite passes beginning at 9:00, 13:30, and 18:00 on 17 March (from left to right). PSD = phase space density.
