2012-12-13T16:48:42 CHANGE_PERIOD 1
2012-12-13T16:48:45 CHANGE_PERIOD 1
2012-12-13T16:48:45 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T16:48:45 BEGIN
2012-12-13T16:51:46 STOP_COLLECTION PERIOD 1 GF 3579 RF 4529 GUAH 4.018812 DUR 181
2012-12-13T16:51:46 END
