Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	8.06875	13.53950000000009	785.4145000000001	8.0125	8.125	0.1125000000000007	20250207_215050UTC_V00OS11.WAV
D	30.818752	216.66775	934.37825	30.637502	31.000002	0.3624999999999971	20250207_215050UTC_V00OS11.WAV
D	3.668752	121.87499999999989	975.0	3.500002	3.837502	0.3375000000000003	20250207_215050UTC_V00OS11.WAV