Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	46.281248	501.043725	650.002275	45.3	47.262496	1.9624960000000016	20250219_200250UTC_V00OS11.WAV
T	49.343752	487.4977250000002	636.4562750000002	48.362504	50.325	1.9624960000000016	20250219_200250UTC_V00OS11.WAV