Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	54.043752	0.0	148.95627499999978	53.962502	54.125002	0.1624999999999943	20250312_125617UTC_V00OS11.WAV
B	39.437504	0.0	148.95627499999978	39.350004	39.525004	0.1749999999999971	20250312_125617UTC_V00OS11.WAV