Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
A	18.062496	54.168725000000194	203.1272750000002	17.524995999999998	18.599996	1.0750000000000028	20250209_161450UTC_V00OS11.WAV
U	47.05	650.0000000000003	812.5000000000003	46.1	48.0	1.9000000000000057	20250209_161450UTC_V00OS11.WAV