Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	9.393752	5023.9605	5145.8355	8.375003999999999	10.4125	2.037496000000001	20250204_202650UTC_V00OS11.WAV
H	15.268752	135.41677500000029	311.4582250000003	14.537503999999998	16.0	1.4624960000000016	20250204_202650UTC_V00OS11.WAV