2012-12-13T15:50:16 CHANGE_PERIOD 1
2012-12-13T15:50:18 CHANGE_PERIOD 1
2012-12-13T15:50:18 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T15:50:18 BEGIN
2012-12-13T15:53:16 STOP_COLLECTION PERIOD 1 GF 3556 RF 4449 GUAH 4.009684 DUR 178
2012-12-13T15:53:16 END
