Figure 13
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EGNOS performance summary plot with daily Horizontal and Vertical Navigation System Errors (HNSE and VNSE, respectively) for each station on (top) 22 April (pre-storm day) and (bottom) 23 April 2023 (storm day). Circle diameter indicates the standard deviation at corresponding monitoring station, being limited to 1.5 m; when it is limited, the circle border is black.
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