Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	31.381248	176.04275000000035	1015.6282500000004	31.199998	31.562498	0.3624999999999971	20250221_211450UTC_V00OS11.WAV
D	41.818752	27.08224999999976	947.9177499999996	41.575002000000005	42.062502	0.4874999999999971	20250221_211450UTC_V00OS11.WAV
D	43.225	216.6677499999999	1015.62825	43.0375	43.4125	0.375	20250221_211450UTC_V00OS11.WAV