Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	45.175	5105.2105	5795.8355	44.9875	45.3625	0.375	20250201_072650UTC_V00OS11.WAV
C	4.937504	189.5855000000004	1002.0855000000004	4.800004	5.075004	0.2750000000000003	20250201_072650UTC_V00OS11.WAV