Config changes for esst_config_uniq.txt:
1286513987.978799 0531
1286513990.983061 0241
1286513990.983061 0241
1286513993.987324 0531
1286514006.004374 0531
1286514009.008636 0241
1286582407.085180 0241
1286582410.089443 0531