Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	17.031248	189.5855000000004	1002.0855000000004	16.887498	17.174998000000002	0.2875000000000014	20250221_045050UTC_V00OS11.WAV
D	39.287496	148.9604999999998	961.4604999999998	39.099996	39.474996	0.375	20250221_045050UTC_V00OS11.WAV