2012-12-13T15:12:29 CHANGE_PERIOD 1
2012-12-13T15:12:31 CHANGE_PERIOD 1
2012-12-13T15:12:32 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T15:12:32 BEGIN
2012-12-13T15:15:30 STOP_COLLECTION PERIOD 1 GF 3553 RF 4448 GUAH 4.002656 DUR 178
2012-12-13T15:15:30 END
