Config changes for esst_config_uniq.txt:
1294336747.308460 0241
1294336750.321059 0531
1294358382.287759 0531
1294358385.300596 0241
1294358385.300596 0241
1294358388.313432 0531
1294358400.364775 0531
1294358578.122097 0241