Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
"B"""	8.2062496	121.87727499999993	297.9187249999999	8.124999599999999	8.2874996	0.1625000000000014	20250419_081635UTC_V00OS11.WAV
B	8.2	81.24999999999972	284.3749999999997	8.125	8.274999999999999	0.1499999999999985	20250419_081635UTC_V00OS11.WAV