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Fig. 25


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Groundtrack of the Swarm A and C satellites plotted with blue and red color, respectively, for the time between 15:15 UT and 15:35 UT on September 17, 2015 and the groundtrack of the GRACE satellites plotted in green color for the time span between 15:30 UT and 15:50 UT on September 17, 2015.

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