Figure 6
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MIT Haystack’s Madrigal vertical TEC (VTEC) maps over the United States on April 13, 14 and April 15, 2022 (columns) at 15:00, 19:00, and 23:00 UT. The location where the autonomous platform was deployed is indicated by a red star. The maps show that an enhanced TEC occurred over the US on April 14. The enhancement is more clearly seen on the map for 19:00 UT.
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