2012-12-13T16:38:24 CHANGE_PERIOD 1
2012-12-13T16:38:26 CHANGE_PERIOD 1
2012-12-13T16:38:26 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T16:38:26 BEGIN
2012-12-13T16:41:24 STOP_COLLECTION PERIOD 1 GF 3559 RF 4449 GUAH 4.015086 DUR 178
2012-12-13T16:41:24 END
