0550_001_015_ECG 2 256 690944 0550_001_015_ECG.mat 16+24 6553.4(0)/nu 16 0 -7628 -11436 0 ECG1 0550_001_015_ECG.mat 16+24 6553.4(0)/nu 16 0 -12928 -11394 0 ECG2 #Utility frequency: 60 #Start time: 15:15:01 #End time: 15:59:59