Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
A	16.2625	270.8354999999998	433.3354999999998	16.0125	16.5125	0.5	20250418_013435UTC_V00OS11.WAV
P	16.2437504	270.8354999999998	433.3354999999998	16.0125004	16.4750004	0.4624999999999986	20250418_013435UTC_V00OS11.WAV
O	15.493752	270.83322499999986	419.7917749999998	14.9875	16.000004	1.0125039999999998	20250418_013435UTC_V00OS11.WAV
O	41.781248	311.4562749999998	446.87272499999983	41.024996	42.5375	1.512504000000007	20250418_013435UTC_V00OS11.WAV