Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
X	48.25	4996.877275	5457.293725	48.05	48.45	0.4000000000000057	20250221_102650UTC_V00OS11.WAV
V	48.906248	4996.877275	5497.918725	48.624998	49.187498	0.5625	20250221_102650UTC_V00OS11.WAV