Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
G	38.962504	4902.081275	5321.872725	38.550004	39.375004	0.8250000000000028	20250410_174635UTC_V00OS11.WAV
F	38.975	4888.5395	5335.4145	38.6125	39.3375	0.7249999999999943	20250410_174635UTC_V00OS11.WAV