Config changes for esst_config_uniq.txt:
1298008747.974853 0241
1298008750.991760 0000
1298008763.059381 0000
1298008865.634173 0531
1298030379.188889 0531
1298030382.205797 0241
1298030382.205797 0241
1298030385.222705 0531
1298030472.713033 0531
1298030475.729940 0241