Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	19.225	257.29372500000034	528.1272750000004	18.762500000000003	19.6875	0.9249999999999972	20250420_153435UTC_V00OS11.WAV
A	31.131248	257.2917749999998	433.3332249999999	30.912498	31.349998	0.4375	20250420_153435UTC_V00OS11.WAV
V	31.125	243.74999999999983	446.87499999999983	30.9375	31.3125	0.375	20250420_153435UTC_V00OS11.WAV
O	27.587504	257.29372499999977	446.8772749999998	27.350004	27.825004	0.4750000000000014	20250420_153435UTC_V00OS11.WAV
O	6.7	216.66449999999963	419.7894999999996	6.425	6.9750000000000005	0.5500000000000007	20250420_153435UTC_V00OS11.WAV