Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	54.737504	501.041775	717.708225	54.225004	55.250004	1.0250000000000057	20250413_235235UTC_V00OS11.WAV
I	27.587504	5200.002275	5497.918725	27.162504	28.012504	0.8500000000000014	20250413_235235UTC_V00OS11.WAV