text: user12126: I am looking for any public available databases where I can download Sanger chromatography data ideally in Ab1 or SCF file format. I need extremely large amounts of this, since I want to use it for machine learning.
  
  user12126: NCBI Trace Archive
  The NCBI Trace Archive is a permanent repository of DNA sequence chromatograms (traces), base calls, and quality estimates for single-pass reads from various large-scale sequencing projects. Contaning more than 2 billion traces.
  
  
original_text: 12126: <p>I am looking for any public available databases where I can download Sanger <a href="http://www.dnabaser.com/help/samples/what%20is%20a%20chromatogram.html" rel="nofollow noreferrer">chromatography</a> data ideally in <a href="https://www.reviversoft.com/en/file-extensions/ab1" rel="nofollow noreferrer">Ab1</a> or <a href="http://staden.sourceforge.net/manual/formats_unix_2.html" rel="nofollow noreferrer">SCF</a> file format. I need extremely large amounts of this, since I want to use it for machine learning.</p>
   12126: <h2><a href="https://trace.ncbi.nlm.nih.gov/Traces/trace/trace.cgi?view=list_arrivals" rel="nofollow noreferrer">NCBI Trace Archive</a></h2>
  <p>The NCBI Trace Archive is a permanent repository of DNA sequence chromatograms (traces), base calls, and quality estimates for single-pass reads from various large-scale sequencing projects. Contaning more than 2 billion traces.</p>
  <p><a href="https://i.stack.imgur.com/z95Hu.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/z95Hu.png" alt="![![enter image description here" /></a></p>
  