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Earth, Planets and Space
Figure 4 | Earth, Planets and Space

Figure 4

From: High-latitude GPS phase scintillation and cycle slips during high-speed solar wind streams and interplanetary coronal mass ejections: a superposed epoch analysis

Figure 4

The SPE analysis results based on 108 CIRs. The maps of (a) an average percentage occurrence of phase scintillation σ Φ exceeding 0.1 radians and (b) average number of cycle slips for epoch days before and after the arrival of CIRs. The positions of the statistical auroral oval are superposed in solid white lines for conditions from very quiet (IQ = 0) to very disturbed (IQ = 6), proportionally to the daily mean value of the Kp index.

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