Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	46.512496	284.3772750000003	785.4187250000002	46.349996	46.674996	0.3250000000000028	20250410_052235UTC_V00OS11.WAV
A	42.312496	54.16449999999995	216.66449999999995	42.024996	42.599996	0.5750000000000028	20250410_052235UTC_V00OS11.WAV
D	41.143752	243.7499999999996	1137.4999999999998	40.987502	41.300002	0.3125	20250410_052235UTC_V00OS11.WAV
C	35.525	13.539499999999634	1029.1644999999996	35.3	35.75	0.4500000000000028	20250410_052235UTC_V00OS11.WAV
U	52.968752	907.2895000000002	1029.1645000000003	52.325	53.612504	1.2875039999999984	20250410_052235UTC_V00OS11.WAV