Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
B	38.543752	0.0	162.49999999999972	38.450002	38.637502	0.1875	20250415_191035UTC_V00OS11.WAV
M	52.312496	67.71049999999991	148.9604999999999	51.937496	52.687496	0.75	20250415_191035UTC_V00OS11.WAV
V	41.318752	1448.9562749999996	1624.9977249999995	41.187502	41.450002000000005	0.2625000000000028	20250415_191035UTC_V00OS11.WAV