Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	24.7125	1232.2895	1354.1645	24.0125	25.4125	1.3999999999999986	20250201_204450UTC_V00OS11.WAV
U	12.537496	677.0832249999999	826.0417749999999	11.274996000000002	13.799996	2.5249999999999986	20250201_204450UTC_V00OS11.WAV
U	8.862504	677.081275	812.497725	8.000003999999999	9.725004	1.7250000000000014	20250201_204450UTC_V00OS11.WAV