2012-12-13T15:02:38 CHANGE_PERIOD 1
2012-12-13T15:02:40 CHANGE_PERIOD 1
2012-12-13T15:02:40 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T15:02:40 BEGIN
2012-12-13T15:06:55 STOP_COLLECTION PERIOD 1 GF 3566 RF 6377 GUAH 4.011610 DUR 255
2012-12-13T15:06:55 END
