2012-12-13T16:28:02 CHANGE_PERIOD 1
2012-12-13T16:28:04 CHANGE_PERIOD 1
2012-12-13T16:28:05 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T16:28:05 BEGIN
2012-12-13T16:31:03 STOP_COLLECTION PERIOD 1 GF 3553 RF 4450 GUAH 4.004560 DUR 178
2012-12-13T16:31:03 END
