Config changes for esst_config_uniq.txt:
1307462341.712291 0241
1307462344.735510 0531
1307490345.802337 0531
1307490348.825556 0241
1307490348.825556 0241
1307490351.848775 0531
1307490373.011311 0531
1307490376.034531 0241