Config changes for esst_config_uniq.txt:
1297274340.836133 0241
1297274343.852290 0531
1297295957.633007 0531
1297295960.649163 0241
1297295960.649163 0241
1297295963.665319 0531
1297296005.891509 0531
1297296153.683174 0241