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Fig. 5 | Earth, Planets and Space

Fig. 5

From: A confirmation of vertical acoustic resonance and field-aligned current generation just after the 2022 Hunga Tonga Hunga Ha’apai volcanic eruption

Fig. 5

Enlarged plots of the TEC variations. The upper panel shows the high-pass filtered TEC data plots for 3 GPS satellites and the lower panel shows the plots for 7 GPS satellites. A wavy variation starts at 04:15 UT at SAMO and a similar but with much smaller amplitude variation start at 04:20 UT at KOKV station. Note that the scale for KOKV and SAMO is different

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