Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	25.756248	203.12727500000008	338.5437250000001	24.9	26.612496	1.7124960000000016	20250414_015235UTC_V00OS11.WAV
U	30.518752	826.041775	1002.083225	29.8	31.237504	1.437503999999997	20250414_015235UTC_V00OS11.WAV
U	33.95	907.2917749999996	1083.3332249999996	33.2	34.7	1.5	20250414_015235UTC_V00OS11.WAV
O	37.262496	162.49772499999966	270.83127499999966	36.837496	37.687496	0.8499999999999943	20250414_015235UTC_V00OS11.WAV
O	50.918752	121.87499999999972	243.7499999999997	50.4	51.437504	1.0375039999999984	20250414_015235UTC_V00OS11.WAV
O	54.512496	189.58322500000017	338.54177500000014	53.487496	55.537496	2.049999999999997	20250414_015235UTC_V00OS11.WAV
O	48.6562496	162.49772499999995	311.45627499999995	48.037501600000006	49.2749976	1.237495999999993	20250414_015235UTC_V00OS11.WAV
O	44.518752	135.4145000000001	257.2895000000001	44.05	44.987504	0.937504000000004	20250414_015235UTC_V00OS11.WAV
O	42.05	176.04372499999977	325.00227499999977	41.3375	42.7625	1.4249999999999972	20250414_015235UTC_V00OS11.WAV