2012-12-13T14:53:29 CHANGE_PERIOD 1
2012-12-13T14:53:31 CHANGE_PERIOD 1
2012-12-13T14:53:31 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T14:53:31 BEGIN
2012-12-13T14:56:29 STOP_COLLECTION PERIOD 1 GF 3558 RF 4449 GUAH 4.013271 DUR 178
2012-12-13T14:56:29 END
