Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	39.575	284.37727500000034	501.0437250000004	39.175	39.975	0.7999999999999972	20250308_141417UTC_V00OS11.WAV
I	29.912496	406.24772499999966	839.5812749999996	29.687496	30.137496	0.4500000000000028	20250308_141417UTC_V00OS11.WAV
E	30.381248	311.4604999999999	514.5854999999999	29.987498	30.774998	0.7875000000000014	20250308_141417UTC_V00OS11.WAV
V	29.918752	419.7937250000003	853.1272750000003	29.700002	30.137502	0.4375	20250308_141417UTC_V00OS11.WAV