Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	51.925	3412.4999999999995	4265.625	51.7	52.15	0.4500000000000028	20250130_230250UTC_V00OS11.WAV
V	35.25	2180.206275	2721.872725	35.025	35.475	0.4500000000000028	20250130_230250UTC_V00OS11.WAV