Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	44.737504	0.0022750000003526	176.04372500000034	44.650004	44.825004	0.1749999999999971	20250409_065835UTC_V00OS11.WAV
E	49.456248	297.916775	514.583225	49.024996	49.8875	0.8625040000000013	20250409_065835UTC_V00OS11.WAV