Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	47.025	866.6645	1029.1645	46.05	48.0	1.9500000000000028	20250305_123217UTC_V00OS11.WAV
U	41.075	866.6687250000002	1015.6272750000004	40.0	42.150000000000006	2.1500000000000057	20250305_123217UTC_V00OS11.WAV
B	5.943752	0.0022750000003526	176.04372500000034	5.862502	6.025002	0.1624999999999996	20250305_123217UTC_V00OS11.WAV