Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	54.85	189.58225000000024	934.3717500000002	54.7125	54.9875	0.2750000000000057	20250410_035835UTC_V00OS11.WAV
B	40.7375	0.0	189.5812750000001	40.65	40.825	0.1749999999999971	20250410_035835UTC_V00OS11.WAV