Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	27.031248	1.7053025658242404e-13	731.2500000000002	26.924998	27.137498	0.2124999999999985	20250210_191450UTC_V00OS11.WAV
C	20.256248	0.0	961.4572499999996	20.149998	20.362498	0.2124999999999985	20250210_191450UTC_V00OS11.WAV