Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	27.662496	13.542750000000012	1002.08225	27.462496	27.862496	0.3999999999999986	20250307_145017UTC_V00OS11.WAV
D	50.4	230.20725000000024	893.7467500000002	50.05	50.75	0.7000000000000028	20250307_145017UTC_V00OS11.WAV
C	48.25	0.0	1015.625	48.025	48.475	0.4500000000000028	20250307_145017UTC_V00OS11.WAV
D	48.2437504	40.62824999999992	988.5427499999998	48.0250004	48.4625004	0.4375	20250307_145017UTC_V00OS11.WAV
D	16.968752	284.3727249999997	880.2062749999998	16.812502	17.125002	0.3125	20250307_145017UTC_V00OS11.WAV