Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	23.025	40.62824999999992	785.4177499999998	22.925	23.125	0.2000000000000028	20250209_052650UTC_V00OS11.WAV
U	46.912496	1083.333225	1313.5417749999997	46.012496	47.812496	1.7999999999999972	20250209_052650UTC_V00OS11.WAV