Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	33.718752	121.87272500000007	270.8312750000001	33.0	34.437504000000004	1.437504000000004	20250308_150217UTC_V00OS11.WAV
F	55.75	3737.5	4550.0	55.575	55.925	0.3499999999999943	20250308_150217UTC_V00OS11.WAV
E	22.962504	325.00000000000017	609.3750000000002	22.450004	23.475004	1.0249999999999986	20250308_150217UTC_V00OS11.WAV
O	40.2125	121.87272500000007	270.8312750000001	40.025	40.4	0.375	20250308_150217UTC_V00OS11.WAV