Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	11.437504	108.3322500000001	893.74675	11.287504	11.587504	0.3000000000000007	20250418_071035UTC_V00OS11.WAV
D	9.368752	81.24772499999978	677.0812749999998	9.162502	9.575002	0.4125000000000014	20250418_071035UTC_V00OS11.WAV