Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	53.231248	67.71050000000008	880.2105000000001	52.999998	53.462498	0.4625000000000057	20250415_121035UTC_V00OS11.WAV
D	50.793752	40.62175000000019	880.2072500000002	50.537502	51.050002	0.5125000000000028	20250415_121035UTC_V00OS11.WAV
D	48.2437504	0.0032500000001505	866.6677500000003	48.0125004	48.475000400000006	0.4625000000000057	20250415_121035UTC_V00OS11.WAV
D	37.637496	67.7105000000002	798.9605000000001	37.399996	37.874996	0.4749999999999943	20250415_121035UTC_V00OS11.WAV
D	38.687504	27.085500000000422	961.4605000000004	38.387504	38.987504	0.5999999999999943	20250415_121035UTC_V00OS11.WAV