Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	42.762504	54.16450000000023	257.2895000000002	42.675004	42.850004	0.1749999999999971	20250201_174450UTC_V00OS11.WAV
D	3.681248	2180.206275	2721.872725	3.299998	4.062498	0.7624999999999997	20250201_174450UTC_V00OS11.WAV