Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	28.118752	176.0394999999998	785.4144999999999	27.900002	28.337502	0.4375	20250207_060850UTC_V00OS11.WAV
D	19.756248	40.62174999999962	798.9572499999997	19.562498	19.949998	0.3875000000000028	20250207_060850UTC_V00OS11.WAV
D	42.706248	121.87272499999996	758.3312749999999	42.512498	42.899998	0.3875000000000028	20250207_060850UTC_V00OS11.WAV