Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	22.775	1300.0000000000002	1462.5000000000002	21.55	24.0	2.450000000000003	20250224_154450UTC_V00OS11.WAV
U	19.531248	1950.002275	2126.043725	18.462496	20.6	2.137504	20250224_154450UTC_V00OS11.WAV
U	21.787496	1300.0000000000002	1462.5000000000002	20.774996	22.799996	2.0249999999999986	20250224_154450UTC_V00OS11.WAV
U	50.7	1963.541775	2098.958225	50.0	51.400000000000006	1.4000000000000057	20250224_154450UTC_V00OS11.WAV
U	27.95	1977.0855	2139.5855	26.975	28.925	1.9500000000000028	20250224_154450UTC_V00OS11.WAV