%    start time	      end time	      duration	      low freq	     high freq	
          1.888	          1.893	          0.005	       3931.953	      40676.015	
         71.631	         71.635	          0.005	       3849.196	      44813.859	
       	194.357	        194.362	          0.005	       2856.113	      47710.351	
        221.990	        221.996	          0.006	       3269.897	      47793.108	
        328.739	        328.744	          0.005	       5173.306	      41007.042	
        352.923	        352.928	          0.005	       4097.466	      39434.661