Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	50.668752	94.7927500000003	1164.5822500000004	50.337502	51.000002	0.6624999999999943	20250409_191035UTC_V00OS11.WAV
T	55.043752	433.333225	582.291775	54.0875	56.000004	1.9125039999999984	20250409_191035UTC_V00OS11.WAV