2012-12-13T16:17:45 CHANGE_PERIOD 1
2012-12-13T16:17:47 CHANGE_PERIOD 1
2012-12-13T16:17:47 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T16:17:47 BEGIN
2012-12-13T16:20:46 STOP_COLLECTION PERIOD 1 GF 3555 RF 4449 GUAH 4.010087 DUR 179
2012-12-13T16:20:46 END
