2012-12-13T16:31:27 CHANGE_PERIOD 1
2012-12-13T16:31:29 CHANGE_PERIOD 1
2012-12-13T16:31:29 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T16:31:29 BEGIN
2012-12-13T16:34:28 STOP_COLLECTION PERIOD 1 GF 3572 RF 4478 GUAH 4.024256 DUR 179
2012-12-13T16:34:28 END
