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Earth, Planets and Space
Fig. 5 | Earth, Planets and Space

Fig. 5

From: Geomagnetically conjugate observations of ionospheric and thermospheric variations accompanied by a midnight brightness wave at low latitudes

Fig. 5

The 630-nm a meridional and b zonal keograms represented as absolute airglow intensity, averages and standard deviations of c northward and d eastward neutral wind velocities observed by an FPI, e virtual heights at a frequency of 2 MHz (\(h'F\)) and f F2-region critical frequency (\(f_{\mathrm{o}}F_2\)) observed by an ionosonde, at Kototabang on February 7, 2011

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