Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	52.381248	270.83127500000023	446.8727250000002	51.825	52.937496	1.112495999999993	20250414_220435UTC_V00OS11.WAV
T	33.025	270.8312749999999	406.247725	32.3125	33.7375	1.4249999999999972	20250414_220435UTC_V00OS11.WAV
U	33.018752	270.8312749999999	406.247725	32.350004	33.6875	1.3374960000000016	20250414_220435UTC_V00OS11.WAV
O	32.975	270.8312749999999	406.247725	32.1875	33.7625	1.5750000000000028	20250414_220435UTC_V00OS11.WAV
T	39.137496	379.16677500000014	555.2082250000002	38.274996	39.999996	1.7249999999999943	20250414_220435UTC_V00OS11.WAV