Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	45.975	5768.75	6500.0	45.7375	46.2125	0.4749999999999943	20250421_001635UTC_V00OS11.WAV
T	55.412496	446.872725	636.456275	54.824996	55.999996	1.1749999999999972	20250421_001635UTC_V00OS11.WAV
D	51.943752	67.70724999999999	744.7927500000001	51.750002	52.137502000000005	0.3875000000000028	20250421_001635UTC_V00OS11.WAV
D	11.162496	67.70822499999974	704.1667749999997	10.987496	11.337496000000002	0.3500000000000014	20250421_001635UTC_V00OS11.WAV