Logarithmic density ratio value (you asked...). 3.2 is 10 to the 3.2 power or a density ratio of 1585:1.
I can explain in detail if you like. > What is the dynamic range figure - i.e.3.2, 3.4 or whatever - a > measurement of? Or maybe I should ask, what is the unit of > measurement? > > > Ken Durling
