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. 2022 Jun 21;218(5):38. doi: 10.1007/s11214-022-00885-4

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© The Author(s) 2022

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Fig. 10 — 5.8-7.3 kHz burst magnetic field spectrograms from (a) Van Allen Probes A EFW, (c) Arase PWE/WFC from 01:45:36-01:45:46 UTC on August 21, 2017. (b) Van Allen Probes and (d) Arase wave normal angles of the magnetic field waveform data from 0 deg to 90 deg, and (e) parallel Poynting flux of the waves observed on Van Allen Probes A with positive = northward (Colpitts et al. 2020)