Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	18.337504	0.0022750000003526	176.04372500000034	18.250004	18.425004	0.1749999999999971	20250416_140435UTC_V00OS11.WAV
V	27.106248	297.9145000000002	826.0395000000002	26.887498	27.324998	0.4375	20250416_140435UTC_V00OS11.WAV
D	27.093752	243.7499999999999	853.1249999999999	26.875002	27.312502	0.4375	20250416_140435UTC_V00OS11.WAV