Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	13.881248	1123.9605	1245.8355	13.15	14.612496	1.4624960000000016	20250309_200217UTC_V00OS11.WAV
B	2.543752	0.0022750000003526	176.04372500000034	2.450002	2.637502	0.1875	20250309_200217UTC_V00OS11.WAV