0630_002_019_ECG 2 200 720000 0630_002_019_ECG.mat 16+24 9.479926422900498 16 1679 1677 1145317166 0 ECGL 0630_002_019_ECG.mat 16+24 13.140703399752907 16 524 522 304089009 0 ECGR #Utility frequency: 60 #Start time: 19:00:00 #End time: 19:59:59