2012-12-13T16:59:07 CHANGE_PERIOD 1
2012-12-13T16:59:09 CHANGE_PERIOD 1
2012-12-13T16:59:09 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T16:59:09 BEGIN
2012-12-13T17:02:07 STOP_COLLECTION PERIOD 1 GF 3557 RF 4448 GUAH 4.004081 DUR 178
2012-12-13T17:02:07 END
