Config changes for esst_config_uniq.txt:
1297296011.923821 0531
1297296014.939978 0241
1297360741.683246 0241
1297360744.699405 0531
1297382337.378906 0531
1297382340.395066 0241
1297382340.395066 0241
1297382343.411225 0531
1297382412.782896 0531
1297382415.799056 0241