Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	40.843752	27.082249999999704	744.7927499999997	40.662502	41.025002	0.3624999999999971	20250423_202835UTC_V00OS11.WAV
F	32.3687504	216.66677499999983	473.9582249999999	32.062500400000005	32.6750004	0.6124999999999972	20250423_202835UTC_V00OS11.WAV