Digital BW, The Print

Well you don't need the step wedge to do that.  Just plot out the values.  I
did this when I started on this whole topic.  I also plotted the curve shape
of the QTR EEM space....even more interesting   ;-)



> 
> This is an interesting exercise, you'll see the difference in curve shape with
> the different gray spaces.
> 
> Roy
> 
> 
>