Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	7.725	0.0	555.2062749999998	7.5375	7.9125	0.375	20250419_031035UTC_V00OS11.WAV
E	45.087504	108.33549999999993	514.5854999999999	44.712504	45.462504	0.75	20250419_031035UTC_V00OS11.WAV