Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	15.162496	636.4562749999997	812.4977249999996	14.324996	15.999996	1.6750000000000007	20250311_103817UTC_V00OS11.WAV
D	28.631248	148.95725	934.37175	28.412498	28.849998	0.4375	20250311_103817UTC_V00OS11.WAV
C	28.606248	270.8332250000001	866.6667750000001	28.362498	28.849998	0.4874999999999971	20250311_103817UTC_V00OS11.WAV
D	30.275	81.2467499999999	798.9572499999999	30.075	30.475	0.3999999999999986	20250311_103817UTC_V00OS11.WAV
D	53.806248	108.33224999999982	853.1217499999998	53.637498	53.974998	0.3375000000000057	20250311_103817UTC_V00OS11.WAV
C	55.35	176.04275	975.00325	55.1375	55.5625	0.4249999999999971	20250311_103817UTC_V00OS11.WAV
E	55.35	148.9604999999998	961.4604999999998	55.1375	55.5625	0.4249999999999971	20250311_103817UTC_V00OS11.WAV