2012-12-13T15:15:53 CHANGE_PERIOD 1
2012-12-13T15:15:56 CHANGE_PERIOD 1
2012-12-13T15:15:56 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T15:15:56 BEGIN
2012-12-13T15:18:54 STOP_COLLECTION PERIOD 1 GF 3561 RF 4451 GUAH 4.013862 DUR 178
2012-12-13T15:18:54 END
