Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	2.818752	13.53950000000009	176.0395000000001	2.725002	2.912502	0.1875	20250418_020435UTC_V00OS11.WAV
T	47.381248	365.622725	514.5812749999999	46.7625	47.999996	1.237495999999993	20250418_020435UTC_V00OS11.WAV
T	43.256248	338.54177500000026	514.5832250000003	42.4625	44.049996	1.5874960000000016	20250418_020435UTC_V00OS11.WAV