Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	51.05	338.543725	812.502275	50.9	51.2	0.2999999999999971	20250304_035617UTC_V00OS11.WAV
D	51.05	270.831275	812.497725	50.8875	51.2125	0.3250000000000028	20250304_035617UTC_V00OS11.WAV