Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	53.237504	297.91775000000035	1096.8782500000004	53.000004	53.475004	0.4749999999999943	20250409_094035UTC_V00OS11.WAV
V	53.25	379.1677499999999	1056.25325	53.0375	53.4625	0.4249999999999971	20250409_094035UTC_V00OS11.WAV