Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	11.437504	176.0427500000003	1300.0032500000002	11.112504	11.762504	0.6499999999999986	20250418_215235UTC_V00OS11.WAV
C	11.431248	162.50000000000034	1300.0000000000005	11.149998	11.712498	0.5625	20250418_215235UTC_V00OS11.WAV
"B"""	9.95	0.0	189.5812750000001	9.8625	10.0375	0.1750000000000007	20250418_215235UTC_V00OS11.WAV