Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	12.0	216.6687249999999	406.252275	11.925	12.075	0.1499999999999985	20250209_082050UTC_V00OS11.WAV
D	43.637504	121.87824999999977	988.5427499999998	43.462504	43.812504	0.3499999999999943	20250209_082050UTC_V00OS11.WAV