2012-12-13T15:19:18 CHANGE_PERIOD 1
2012-12-13T15:19:21 CHANGE_PERIOD 1
2012-12-13T15:19:21 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T15:19:21 BEGIN
2012-12-13T15:22:20 STOP_COLLECTION PERIOD 1 GF 3573 RF 4473 GUAH 4.023136 DUR 179
2012-12-13T15:22:20 END
