[SFDXA] Noise Power Ratio (NPR) Testing of HF Receivers

[Bill]

Interesting Article by Adam showing all the Receiver Comparisons at the 
end of the article.

      Noise Power Ratio (NPR) Testing of HF Receivers
          Using notched noise to evaluate dynamic receiver performance

        by Adam Farson, VA7OJ/AB4OJ


http://www.ab4oj.com/test/docs/npr_test.pdf