Config changes for esst_config_uniq.txt:
1294876810.566746 0531
1294876813.579585 0241
1294941547.464116 0241
1294941661.952095 0531
1294963122.426307 0531
1294963125.439149 0241
1294963125.439149 0241
1294963128.451992 0531
1294963212.811573 0531
1294963215.824415 0241