Fig. 4From: Simultaneous equatorial plasma bubble observation using amplitude scintillations from GNSS and LEO satellites in low-latitude regionS4 index (top) values against the IPP along the LEO satellite’s trajectory vs UTC time, the time profile plots of the relative TEC value and its standard deviation (bottom) during the satellite pass between 14:59 and 15:03 UTC (21:59–22:03 LT) on 30 March 2021 (DOY 089)Back to article page