2012-12-13T16:07:28 CHANGE_PERIOD 1
2012-12-13T16:07:31 CHANGE_PERIOD 1
2012-12-13T16:07:31 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T16:07:31 BEGIN
2012-12-13T16:10:29 STOP_COLLECTION PERIOD 1 GF 3556 RF 4448 GUAH 4.003108 DUR 178
2012-12-13T16:10:29 END
