Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	47.468752	176.0427499999999	1056.25325	47.300002	47.637502000000005	0.3375000000000057	20250306_082617UTC_V00OS11.WAV
E	54.293752	338.5395	744.7895	54.100002	54.487502	0.3875000000000028	20250306_082617UTC_V00OS11.WAV
V	54.293752	392.7082250000001	744.7917750000001	54.100002	54.487502	0.3875000000000028	20250306_082617UTC_V00OS11.WAV