Fig. 9.


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Range time intensity (RTI) plot of coherent backscatter signal-to-noise ratio observed by JULIA radar on 1st February 2002 (values greater than 24 represent the following morning). We observe a plume at ~21:00LT (2:07 UT) that reach altitudes of 800 km and a second one at ~21:15 LT (2:22 UT) reaching altitudes of 600 km.

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