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Fig. 8 | Earth, Planets and Space

Fig. 8

From: Amplitude enhancement of short period GPS-TEC oscillations over rainfall area

Fig. 8

Average PSD of GPS-TEC data at Phimai station. The blue and red lines indicate the PSD when we average rainfall greater than 0.04 mm/h in the area of 720 km x 720 km centered at Phimai observatory, and the green and orange lines are in the case of almost no-rain, i.e., less than 0.002 mm/h in the same area. The red and orange lines indicate the cases under geomagnetically quiet (i.e., Kp 2) condition. The upper panel show the average in 08–16LT and the lower panel shows those in 16–20LT. The error bars indicate the standard error

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