%    start time	      end time	      duration	      low freq	     high freq	
         22.625	         22.634	          0.009	       2028.544	      35876.115	
        81.888	         81.895	          0.007	       6497.416	      18745.437	
        161.581	        161.588	          0.007	       4345.737	      21890.199	
        180.840	        180.846	          0.007	       2194.058	      22221.227	
        353.112	        353.121	          0.008	       7159.472	      34883.032
	483.459	        483.467	          0.008	       3187.141	      23214.309