0450_011_020_ECG 2 256 921600 0450_011_020_ECG.mat 16+24 4.234972816571034 16 -12971 -11629 -11694569094 0 ECGL 0450_011_020_ECG.mat 16+24 8.52733977722745 16 -25894 -25485 -23943406222 0 ECGR #Utility frequency: 60 #Start time: 20:00:00 #End time: 20:59:59