div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: STS-6A at BFO DGG poster 2019 - streckeisenswiss · ST -l LHZ STS-6A SN176254 LHZ in orehole STS-6A L Zon pier STS-6A SN176241 -IZ on pier GRSN TS-2 Z Frequency Hz Signal PSDs src=https:reader034vdocumentspubreader034viewer20220503055f6e36317f27f732896832dahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv