Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	51.981248	677.0854999999998	839.5854999999998	51.849998	52.112498	0.2625000000000028	20250218_053250UTC_V00OS11.WAV
U	32.837496	650.0	771.875	32.012496	33.662496000000004	1.6500000000000057	20250218_053250UTC_V00OS11.WAV
T	23.106248	433.33127499999966	609.3727249999996	22.25	23.962496	1.7124960000000016	20250218_053250UTC_V00OS11.WAV