Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P'	52.356248	230.2062750000002	487.4977250000002	51.875	52.837496	0.9624960000000016	20250412_053435UTC_V00OS11.WAV
X	53.475	216.66449999999963	622.9144999999996	53.1	53.85	0.75	20250412_053435UTC_V00OS11.WAV
X	49.568752	189.5855000000002	677.0855000000001	49.325002000000005	49.812502	0.4874999999999971	20250412_053435UTC_V00OS11.WAV
E	48.4312504	121.87500000000016	609.3750000000002	47.9999984	48.8625024	0.8625040000000013	20250412_053435UTC_V00OS11.WAV
E	39.268752	148.95822499999983	541.6667749999998	38.55	39.987504	1.437504000000004	20250412_053435UTC_V00OS11.WAV
P'	47.825	40.62727499999976	257.29372499999977	47.650000000000006	48.0	0.3499999999999943	20250412_053435UTC_V00OS11.WAV
D	45.262496	121.8782499999998	785.4177499999998	45.099996	45.424996	0.3250000000000028	20250412_053435UTC_V00OS11.WAV