Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	39.587504	257.2937250000001	690.627275	39.200004	39.975004000000006	0.7750000000000057	20250202_223850UTC_V00OS11.WAV
E	31.262496	257.29177500000014	677.0832250000002	30.687496	31.837496	1.1499999999999986	20250202_223850UTC_V00OS11.WAV
C	19.037496	216.6645000000001	785.4145000000001	18.937496	19.137496	0.2000000000000028	20250202_223850UTC_V00OS11.WAV
E	14.256248	148.95627500000012	649.9977250000001	13.7	14.812496	1.1124960000000002	20250202_223850UTC_V00OS11.WAV