Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	1.456248	135.41775000000007	812.5032500000001	1.249998	1.662498	0.4125000000000001	20250305_092617UTC_V00OS11.WAV
L	53.187504	121.87499999999972	446.8749999999997	52.762504	53.612504	0.8499999999999943	20250305_092617UTC_V00OS11.WAV