Figure 13From: Systematic monitoring of instrumentation health in high-density broadband seismic networks Temporal changes in index parameters for NS and EW components at TKD. (a) Same as Figure 8 but for TKD. (b) and (c) Same as Figure 5 but at TKD station at a period range of 100 to 200 s (b) from 26 December 2003 to 28 July 2004 and (c) from 18 July to 2 December 2010.Back to article page