Fig. 12
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The average ROTI values observed on both sides of ionosphere for entire analysed period: 5–20 March 2012 (top panel). Black lines correspond to outer oval boundary based on the assumption average ROTI > 0.3 TECU/min. The bottom panel presents comparison of equatorward boundaries derived from GNSS (black solid line) and AMPERE datasets (red dotted line).
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