0754_003_004_ECG 2 256 921600 0754_003_004_ECG.mat 16+24 151919.72583213978 16 -997 1449 -909558777 0 ECG1 0754_003_004_ECG.mat 16+24 147333.47370301327 16 -495 281 -445251553 0 ECG2 #Utility frequency: 60 #Start time: 4:00:00 #End time: 4:59:59