2012-12-13T16:14:17 CHANGE_PERIOD 1
2012-12-13T16:14:19 CHANGE_PERIOD 1
2012-12-13T16:14:20 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T16:14:20 BEGIN
2012-12-13T16:17:17 STOP_COLLECTION PERIOD 1 GF 3538 RF 4427 GUAH 4.001279 DUR 177
2012-12-13T16:17:17 END
