Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	18.15	0.0	189.5812750000001	18.0625	18.2375	0.1749999999999971	20250414_072235UTC_V00OS11.WAV
C	20.612504	67.71050000000031	1002.0855	20.400004000000003	20.825004	0.4249999999999971	20250414_072235UTC_V00OS11.WAV