Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	22.0	1300.0000000000002	1462.5000000000002	20.9	23.1	2.200000000000003	20250417_215235UTC_V00OS11.WAV
B	15.043752	0.0022750000003526	176.04372500000034	14.962502	15.125002	0.1625000000000014	20250417_215235UTC_V00OS11.WAV
U	32.65	1313.5395000000003	1435.4145000000003	32.0	33.3	1.2999999999999972	20250417_215235UTC_V00OS11.WAV