2012-12-13T17:15:11 CHANGE_PERIOD 1
2012-12-13T17:15:13 CHANGE_PERIOD 1
2012-12-13T17:15:14 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T17:15:14 BEGIN
2012-12-13T17:18:13 STOP_COLLECTION PERIOD 1 GF 3578 RF 4481 GUAH 4.014328 DUR 179
2012-12-13T17:18:13 END
