Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	46.756248	1530.2105000000004	1692.7105000000004	46.637498	46.874998	0.2374999999999971	20250216_213850UTC_V00OS11.WAV
F	48.962496	162.50000000000017	771.8750000000002	48.837496	49.087496	0.25	20250216_213850UTC_V00OS11.WAV
C	48.968752	135.41677499999986	758.3332249999999	48.850002	49.087502	0.2374999999999971	20250216_213850UTC_V00OS11.WAV