Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	27.162496	257.29177500000003	758.333225	26.912496	27.412496	0.5	20250213_093850UTC_V00OS11.WAV
E	39.075	311.45822499999974	663.5417749999997	38.75	39.400000000000006	0.6500000000000057	20250213_093850UTC_V00OS11.WAV