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Figure 4 | Earth, Planets and Space

Figure 4

From: Polarization analysis of VLF/ELF waves observed at subauroral latitudes during the VLF-CHAIN campaign

Figure 4

Polarization parameters and PSD for chorus with QP elements starting at 16:20 UT on 23 February. Thirty-minute plot of polarization parameters (a-c) and power spectral density (d) showing the start of a chorus emission at 3.3 kHz with some QP elements, observed at Athabasca on 23 February 2012 from 16:20 to 17:10 UT. Blue and red arrows indicate the half-gyrofrequency calculated at the magnetospheric equatorial plane of the L-shell of ATH, using T96 and T01 models, respectively.

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