Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	50.056248	216.666775	798.9582250000001	49.849998	50.262498	0.4124999999999943	20250201_184450UTC_V00OS11.WAV
V	38.125	1679.1687250000004	1950.0022750000005	37.8625	38.3875	0.5250000000000057	20250201_184450UTC_V00OS11.WAV
E	21.275	406.2500000000001	731.2500000000001	21.0625	21.4875	0.4249999999999971	20250201_184450UTC_V00OS11.WAV
V	21.275	433.3332249999996	744.7917749999997	21.075	21.475	0.3999999999999986	20250201_184450UTC_V00OS11.WAV