Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	54.943752	284.3727250000002	433.3312750000002	53.88750400000001	56.0	2.112495999999993	20250410_023435UTC_V00OS11.WAV
P	36.556248	94.78950000000025	216.66450000000023	35.79999599999999	37.3125	1.512504000000007	20250410_023435UTC_V00OS11.WAV
U	36.612504	67.7105000000002	189.5855000000002	35.937504000000004	37.287504	1.3499999999999943	20250410_023435UTC_V00OS11.WAV
O	47.356248	284.3727250000002	433.3312750000002	46.712496	48.0	1.2875039999999984	20250410_023435UTC_V00OS11.WAV
P	47.331248	284.3727250000002	433.3312750000002	46.6625	47.999996	1.3374960000000016	20250410_023435UTC_V00OS11.WAV