Figure 4

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Distribution of the occurrence of the SEC over the hours of the day (in UT) for Ebro Digisonde station data (January 1, 2022–June 30, 2023), illustrating the counts where SEC_Ebro > 50% (marked with blue) and the counts where SEC_Ebro>70% (orange). In this plot, “no data” values are disregarded.

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