SpringerImages - Ionospheric signatures of flux transfer events on the 27th March 2007. Top: 2D snapshots of the fast flows observed by the Hankasalmi radar (northern hemisphere, left) and the TIGER radar (southern hemisphere, right). The green asterisk in each panel denotes the footprint of Cluster 3. Bottom: Time series of data from individual beams of these two radars. The top two panels show the ionospheric flow velocities deduced from the radar backscatter, and the bottom two panels show the backscatter power. Poleward moving features are observed in both hemispheres (PMRAFs)

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Fig 4

Ionospheric signatures of flux transfer events on the 27th March 2007. Top: 2D snapshots of the fast flows observed by the Hankasalmi radar (northern hemisphere, left) and the TIGER radar (southern hemisphere, right). The green asterisk in each panel denotes the footprint of Cluster 3. Bottom: Time series of data from individual beams of these two radars. The top two panels show the ionospheric flow velocities deduced from the radar backscatter, and the bottom two panels show the backscatter power. Poleward moving features are observed in both hemispheres (PMRAFs)

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