Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	39.262496	284.3772749999998	419.79372499999977	38.524996	39.999996	1.4749999999999943	20250308_131417UTC_V00OS11.WAV
U	15.912496	1313.5417749999997	1489.583225	15.837496000000002	15.987496	0.1499999999999985	20250308_131417UTC_V00OS11.WAV
U	7.068752	1327.0855000000004	1489.5855000000004	6.137504	8.0	1.862496	20250308_131417UTC_V00OS11.WAV