Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	28.931248	203.12824999999992	1029.1677499999998	28.737498	29.124998	0.3875000000000028	20250419_193435UTC_V00OS11.WAV
D	26.612496	230.21050000000025	1042.7105	26.412496	26.812496	0.3999999999999986	20250419_193435UTC_V00OS11.WAV
D	25.35	243.74772500000023	880.2062750000002	25.0625	25.637500000000003	0.5750000000000028	20250419_193435UTC_V00OS11.WAV