Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
O	48.3437504	243.75	365.625	48.0375004	48.6500004	0.6124999999999972	20250412_021635UTC_V00OS11.WAV
O	52.387496	243.75	365.625	51.924996	52.849996	0.9249999999999972	20250412_021635UTC_V00OS11.WAV
B	37.331248	0.0	162.49999999999972	37.237498	37.424998	0.1875	20250412_021635UTC_V00OS11.WAV
T	47.0	528.1272749999999	704.1687249999999	46.5625	47.4375	0.875	20250412_021635UTC_V00OS11.WAV