%    start time	      end time	      duration	      low freq	     high freq	
         21.726	         21.730	          0.004	       8069.797	      47048.296	
         46.619	         46.624	          0.004	       4594.008	      43986.291	
         96.886	         96.891	          0.005	       6497.416	      39931.203	
        102.463	        102.468	          0.005	       6662.930	      39103.634	
        121.634	        121.640	          0.006	       5752.604	      36372.656	
        145.582	        145.586	          0.004	       4925.035	      46965.539	
        155.717	        155.722	          0.004	       4594.008	      32814.109	
        170.207	        170.213	          0.005	       4676.765	      47462.080	
        211.757	        211.762	          0.005	       2773.356	      33145.137	
        221.248	        221.253	          0.005	       3766.439	      38110.551	
        248.649	        248.654	          0.005	       4345.737	      47379.323	
        262.929	        262.933	          0.004	      13366.239	      47462.080	
        280.382	        280.387	          0.005	       5752.604	      38358.822	
        287.561	        287.566	          0.005	       4842.278	      41172.556	
        288.474	        288.480	          0.006	       6580.173	      47544.837	
        297.300	        297.305	          0.006	       6745.687	      43738.020	
        305.044	        305.049	          0.005	       4594.008	      41834.611	
        321.074	        321.079	          0.006	       6662.930	      44151.804	
        328.731	        328.734	          0.004	       4925.035	      47048.296	
        329.763	        329.769	          0.006	       4842.278	      32896.866	
        334.892	        334.898	          0.006	       6745.687	      45641.428	
        347.246	        347.250	          0.004	      13697.266	      42744.937	
        354.959	        354.965	          0.006	       4676.765	      47544.837	
        377.481	        377.487	          0.006	       3931.953	      42744.937	
        394.101	        394.106	          0.005	       5173.306	      29752.104