Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
F	23.731248	27.08322500000017	501.04177500000014	23.537498	23.924998	0.3875000000000028	20250304_165017UTC_V00OS11.WAV
B	43.137504	0.0022750000003526	176.04372500000034	43.050004	43.225004	0.1749999999999971	20250304_165017UTC_V00OS11.WAV