Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
"B"""	50.187504	1855.2105	2017.7105	50.075004	50.300004	0.2249999999999943	20250220_090850UTC_V00OS11.WAV
U	22.306248	880.2062750000002	1056.2477250000002	21.662496	22.95	1.2875039999999984	20250220_090850UTC_V00OS11.WAV