Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	50.093752	866.6645	1029.1645	48.962500000000006	51.225004	2.2625039999999927	20250213_160850UTC_V00OS11.WAV
B	18.05	13.543725000000066	121.87727500000008	17.95	18.15	0.2000000000000028	20250213_160850UTC_V00OS11.WAV
T	41.037504	433.3354999999998	677.0854999999998	40.350004	41.725004	1.375	20250213_160850UTC_V00OS11.WAV