Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	20.868752	135.4145000000001	257.2895000000001	20.475002	21.262502	0.7875000000000014	20250417_111635UTC_V00OS11.WAV
O	25.275	162.49999999999986	324.9999999999999	24.65	25.9	1.25	20250417_111635UTC_V00OS11.WAV
O	27.612496	148.9604999999999	270.8354999999999	27.199996	28.024996	0.8250000000000028	20250417_111635UTC_V00OS11.WAV