Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	46.637496	297.9167749999997	473.9582249999997	46.274996	46.999996	0.7249999999999943	20250411_070435UTC_V00OS11.WAV
V	45.9	392.7104999999998	920.8354999999998	45.6875	46.1125	0.4249999999999971	20250411_070435UTC_V00OS11.WAV
E	46.65	284.3749999999997	487.4999999999997	46.3	47.0	0.7000000000000028	20250411_070435UTC_V00OS11.WAV