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

Fig. 7

From: Solar activity dependence of medium-scale traveling ionospheric disturbances using GPS receivers in Japan

Fig. 7

Solar activity (F10.7) dependence of the MSTID activity for daytime (cross) and nighttime (circle). The daytime and nighttime MSTID activity for each year is an average of hourly MSTID activity over daytime (09–15 LT) in winter (January and December) and average over nighttime (19–01 LT) in summer (between May and August, respectively. Solid lines represent linear regression of the daytime and nighttime MSTID activity as a function of F10.7, respectively

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