Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	39.625	257.28949999999963	379.1644999999996	39.25	40.0	0.75	20250412_073435UTC_V00OS11.WAV
T	32.7937496	419.7917749999997	555.2082249999997	32.0249976	33.5625016	1.5375039999999984	20250412_073435UTC_V00OS11.WAV
T	31.312496	392.7105000000001	555.2105000000001	30.624996	31.999996	1.375	20250412_073435UTC_V00OS11.WAV
T	41.787504	528.1227250000001	677.0812750000001	41.287504	42.287504	1.0	20250412_073435UTC_V00OS11.WAV
O	46.668752	297.91677500000014	433.3332250000002	46.250004	47.0875	0.8374960000000016	20250412_073435UTC_V00OS11.WAV
T	45.962504	528.125	690.625	45.350004000000006	46.575004	1.2249999999999943	20250412_073435UTC_V00OS11.WAV