Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	49.031248	1801.0437250000004	2234.3772750000003	48.837498	49.224998	0.3875000000000028	20250417_152835UTC_V00OS11.WAV
G	18.925	3060.4145	3588.5395	18.4625	19.3875	0.9249999999999972	20250417_152835UTC_V00OS11.WAV