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Earth, Planets and Space
Fig. 7 | Earth, Planets and Space

Fig. 7

From: Comparison of SuperDARN peak electron density estimates based on elevation angle measurements to ionosonde and incoherent scatter radar measurements

Fig. 7

Scatter plots of the F region peak electron density \( N_{\text{m}} F2 \) inferred from Rankin Inlet (RKN) radar measurements (beams 4–6) versus \( N_{\text{m}} F2 \) inferred from RISR measurements. For RKN, data at all operating frequencies were considered. a–h are for RISR observations in the world-day and imaging modes, respectively, with averaging over the beams as described in the text. The local time sectors are the same as for those for Fig. 6. The total number of available points is shown at the bottom of each panel (yellow). In all panels, the solid lines are the lines of the best linear fit

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