Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	0.1125	1096.8750000000002	1259.3750000000002	0.025	0.2	0.175	20250421_202235UTC_V00OS11.WAV
U	0.7625	2613.541775	2748.958225	0.25	1.275	1.025	20250421_202235UTC_V00OS11.WAV
U	7.456248	2640.6272750000003	2776.043725	6.9125000000000005	7.999996	1.0874959999999998	20250421_202235UTC_V00OS11.WAV