0931_013_020_ECG 2 200 720000 0931_013_020_ECG.mat 16+24 136.6542773942615 16 -15044 -10517 -11654346296 0 ECGL 0931_013_020_ECG.mat 16+24 142.73652586021686 16 -17266 -11127 -12657764324 0 ECGR #Utility frequency: 60 #Start time: 20:00:00 #End time: 20:59:59