Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	36.5	121.87272500000012	677.081275	36.25	36.75	0.5	20250217_021450UTC_V00OS11.WAV
D	13.775	67.70724999999982	826.0427499999998	13.5	14.05	0.5500000000000007	20250217_021450UTC_V00OS11.WAV
E	21.081248	203.1227249999997	839.5812749999996	20.687498	21.474998000000003	0.7875000000000014	20250217_021450UTC_V00OS11.WAV