2012-12-13T16:34:57 CHANGE_PERIOD 1
2012-12-13T16:34:59 CHANGE_PERIOD 1
2012-12-13T16:34:59 START_COLLECTION PERIOD 1 GF 0 RF 0 GUAH 0.000000
2012-12-13T16:34:59 BEGIN
2012-12-13T16:37:58 STOP_COLLECTION PERIOD 1 GF 3568 RF 4469 GUAH 4.014509 DUR 179
2012-12-13T16:37:58 END
