Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	54.55	176.0395000000001	1029.1645	54.4	54.7	0.2999999999999971	20250206_141450UTC_V00OS11.WAV
C	54.543752	162.50325000000032	1029.1677500000003	54.387502	54.700002	0.3125	20250206_141450UTC_V00OS11.WAV
E	4.337504	257.2895000000001	744.7895000000001	4.087504	4.587504	0.5	20250206_141450UTC_V00OS11.WAV
D	14.687504	162.5022750000001	785.418725	14.475004	14.900004	0.4250000000000007	20250206_141450UTC_V00OS11.WAV
E	14.693752	148.9582250000002	785.4167750000001	14.475002	14.912502	0.4375	20250206_141450UTC_V00OS11.WAV