Config changes for esst_config_uniq.txt:
1297619941.181061 0241
1297619944.197214 0531
1297641548.908763 0531
1297641551.924919 0241
1297641551.924919 0241
1297641554.941072 0531
1297641612.248015 0531
1297641744.958814 0241