Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
H	31.4	67.70822499999986	216.66677499999983	30.8	32.0	1.2000000000000028	20250423_095235UTC_V00OS11.WAV
U	36.693752	1056.2477249999995	1205.2062749999996	35.912504000000006	37.475	1.562495999999996	20250423_095235UTC_V00OS11.WAV