Want to see a beautiful picture of the "underbelly" of the 516F-2 power supply - go to http://www.wb4hfn.com/COLLINS/Pictures/Equip_516F2_Bottom.htm Dave, W3ST Publisher of the Collins Journal Secretary to the Collins Radio Association To Join the CRA go to www.collinsra.com Nets: 3805 Khz, Monday/Wednesdays 8 PM EDST 14250 Khz Saturday, 12 Noon EDST