Fig. (6) Diurnal variations of ionospheric characteristics at Jicamarca (JI, 11°57’S; 78°52’W) and interplanetary L1 observations for 7 (05:00-24:00 UT), 8 and 9 (00:00-05:00 UT) September 2017. (a) h’F/F2 and hmF2 from Figure 4 at JI (black and magenta dots, respectively). (b) Magnetic Bz component. (c) Solar wind speed. (d) Solar wind pressure. (e) Interplanetary Electric Field. (f) (red) Incoherent scatter radar vertical drift and (black) quiet time reference drift at JI [31].