Config changes for esst_config_uniq.txt:
1305345541.040852 0241
1305345544.063199 0531
1305374446.786706 0531
1305374449.809055 0241
1305374449.809055 0241
1305374452.831404 0531
1305374470.965497 0531
1305374473.987846 0241