 
file: BSignals_S4_P.txt 
 R signal             : 4  
 Name                 : ECG  
 Start time           : 2009-12-10 12:45:54   
 Continuous recording : TRUE  
 Recorded period      : 20 sec 
 Period read          : whole recording  
 Sample rate          : 200 /sec 
 Number of samples    : 4000  
