0819_022_028_ECG 2 256 921600 0819_022_028_ECG.mat 16+24 67.24221239730024 16 1501 -2533 1687754904 0 ECGL 0819_022_028_ECG.mat 16+24 59.10907221917682 16 5430 3636 4948759300 0 ECGR #Utility frequency: 60 #Start time: 28:00:00 #End time: 28:59:59