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Supplemental Figure S1.
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Daily TEC values at latitude = 0°, longitude = 0° for 2010 from SAMI3/climo (black) and JPL/GIM (blue). Panels are for different times of day: (a) 0000 UTC, (b) 0600 UTC, (c) 1200 UTC, and (d) 1800 UTC.
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