2012-12-13T15:36:31 CHANGE_PERIOD 1
2012-12-13T15:36:33 CHANGE_PERIOD 1
2012-12-13T15:36:33 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T15:36:33 BEGIN
2012-12-13T15:39:31 STOP_COLLECTION PERIOD 1 GF 3557 RF 4449 GUAH 4.011234 DUR 178
2012-12-13T15:39:31 END
