%    start time	      end time	      duration	      low freq	     high freq	
         41.709	         41.713	          0.004	       5752.604	      47379.323	
        225.764	        225.770	          0.006	       2607.842	      46468.997	
        351.271	        351.277	          0.006	       2856.113	      43986.291	
        522.791	        522.795	          0.004	      17255.813	      47379.323	
        523.013	        523.018	          0.005	      14276.565	      47710.351	
        523.141	        523.147	          0.006	      14690.349	      47627.594	
        523.280	        523.284	          0.004	      15269.647	      47710.351	
        529.564	        529.568	          0.004	      11297.316	      47627.594	
        534.615	        534.620	          0.004	      18166.139	      47627.594	
        545.285	        545.289	          0.004	      12786.941	      44565.589	
        545.683	        545.688	          0.005	      14607.592	      38524.335	
        547.484	        547.488	          0.005	      12124.885	      47544.837	
        547.698	        547.703	          0.005	      16097.216	      47710.351	
        547.946	        547.951	          0.005	      17421.327	      47710.351	
        558.341	        558.346	          0.005	       3518.168	      47544.837	
        569.613	        569.618	          0.005	      13531.753	      47710.351