I'm happy to report that the goldenreference low voltage dual power supply works as designed, and tests less than 1 microvolt of noise. Going to have to take it to work and put it in a screen room to really measure the noise.   http://gilmore.chem.northwestern.edu/goldenreferencedual.jpg   however there is one silkscreen error seen by the extra + near the 47uf cap on the right side. I will update the files shortly.   All 4 of the 47uf caps need to have their plus sides pointing to the