Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	35.506248	243.7499999999996	1137.4999999999998	35.274998	35.737498	0.4625000000000057	20250423_175835UTC_V00OS11.WAV
O	39.225	243.7522749999999	379.1687249999999	38.85	39.6	0.75	20250423_175835UTC_V00OS11.WAV