0539_005_021_ECG 2 256 921600 0539_005_021_ECG.mat 16+24 79.31071803995965(-7607)/nu 16 0 4509 72 0 ECGL 0539_005_021_ECG.mat 16+24 107.70963084708792(-586)/nu 16 0 2023 5662 0 ECGR #Utility frequency: 60 #Start time: 21:00:00 #End time: 21:59:59