Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	9.45	622.9167749999997	758.3332249999996	8.825	10.075	1.25	20250220_140250UTC_V00OS11.WAV
M	51.981248	27.083224999999715	135.41677499999972	51.512496	52.45	0.937504000000004	20250220_140250UTC_V00OS11.WAV
O	49.437504	13.541774999999715	148.95822499999971	49.037504	49.837504	0.7999999999999972	20250220_140250UTC_V00OS11.WAV