Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	27.625	0.0022750000000684	135.41872500000005	27.5125	27.7375	0.2250000000000014	20250304_232617UTC_V00OS11.WAV
D	26.993752	4969.79275	5755.20725	26.800002	27.187502	0.3875000000000028	20250304_232617UTC_V00OS11.WAV