Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	51.812496	5579.165800000001	6500.0013	51.512496000000006	52.112496	0.5999999999999943	20250210_122650UTC_V00OS11.WAV
D	42.487496	1909.375	2843.75	42.274996	42.699996	0.4249999999999971	20250210_122650UTC_V00OS11.WAV