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Figure 4


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Geographic distribution of RO EDPs at the F2 peak coordinates for (a) GOES-16 in 2018–2021 and (b) GOES-17 satellites in 2019–2021; profiles accumulation per 5° × 5° latitude/longitude bins is shown by color. Black circles show a projection of the GOES satellites and black triangles show locations of several ground-based ionosondes.

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