Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	46.912496	379.16872500000034	609.3772750000004	46.049996	47.774996	1.7249999999999943	20250131_013850UTC_V00OS11.WAV
U	6.456248	609.3749999999997	771.8749999999997	5.5375000000000005	7.374996	1.837496	20250131_013850UTC_V00OS11.WAV
B	3.443752	0.0	189.5812750000001	3.362502	3.525002	0.1624999999999996	20250131_013850UTC_V00OS11.WAV
T	23.331248	379.16677500000014	555.2082250000002	22.687496000000003	23.975	1.2875039999999984	20250131_013850UTC_V00OS11.WAV