2012-12-13T15:07:26 CHANGE_PERIOD 1
2012-12-13T15:07:28 CHANGE_PERIOD 1
2012-12-13T15:07:28 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T15:07:28 BEGIN
2012-12-13T15:12:03 STOP_COLLECTION PERIOD 1 GF 3557 RF 6884 GUAH 4.009100 DUR 275
2012-12-13T15:12:03 END
