Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	41.768752	379.1645000000002	541.6645000000002	41.275	42.262504	0.9875040000000012	20250410_070435UTC_V00OS11.WAV
T	46.8	501.04372500000034	690.6272750000004	46.1125	47.4875	1.375	20250410_070435UTC_V00OS11.WAV
T	54.381248	379.1667749999998	514.5832249999999	53.1375	55.624996	2.487495999999993	20250410_070435UTC_V00OS11.WAV
T	53.625	460.41872499999977	650.0022749999998	53.1	54.15	1.0499999999999972	20250410_070435UTC_V00OS11.WAV