Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	52.531248	40.62272500000009	148.9562750000001	52.024996	53.0375	1.012504000000007	20250414_145235UTC_V00OS11.WAV
H	49.618752	270.83127499999966	568.7477249999996	48.8625	50.375004	1.512504000000007	20250414_145235UTC_V00OS11.WAV
V	48.956248	1205.208225	1435.416775	48.837498	49.074998	0.2374999999999971	20250414_145235UTC_V00OS11.WAV