Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
I	9.056248	5376.0395	5701.0395	8.687498	9.424998	0.7375000000000007	20250408_072835UTC_V00OS11.WAV
F	31.737504	27.08550000000025	1042.7105	31.550004	31.925004	0.375	20250408_072835UTC_V00OS11.WAV