Figure S3. Same as Figure S2 but for a non-earthquake day. (a) Snap shot
for T = 4:26 UT (Vertical line) on Feb. 19, 2011 (DOY50). VTEC variation
in the circle is supposed to be the cause of the oscillation of C(T)
(see text S1). (b) Calculated C(T) using the 31 stations with the
central station 0214. |