2012-12-13T15:53:40 CHANGE_PERIOD 1
2012-12-13T15:53:42 CHANGE_PERIOD 1
2012-12-13T15:53:43 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T15:53:43 BEGIN
2012-12-13T15:56:41 STOP_COLLECTION PERIOD 1 GF 3556 RF 4448 GUAH 4.002391 DUR 178
2012-12-13T15:56:41 END
