2012-12-13T14:49:57 CHANGE_PERIOD 1
2012-12-13T14:49:59 CHANGE_PERIOD 1
2012-12-13T14:49:59 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T14:49:59 BEGIN
2012-12-13T14:53:06 STOP_COLLECTION PERIOD 1 GF 3545 RF 4679 GUAH 4.003726 DUR 187
2012-12-13T14:53:06 END
