2012-12-13T15:26:13 CHANGE_PERIOD 1
2012-12-13T15:26:15 CHANGE_PERIOD 1
2012-12-13T15:26:15 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T15:26:15 BEGIN
2012-12-13T15:29:13 STOP_COLLECTION PERIOD 1 GF 3556 RF 4450 GUAH 4.008843 DUR 178
2012-12-13T15:29:13 END
