Fig. 9.
From: Effect of SC on frequency content of geomagnetic data using DWT application: SC automatic detection
Four examples from the used data set. The subfigures can be explained as follows: a-1 and a-2 are the H-component of the geomagnetic field of the entire day and the enlarged segment of this field around SC, respectively. a-3 and a-4 are the averaged squared second detail of the entire day and the enlarged segment of this detail around SC, respectively. The same sequence is valid for b, c and d.