Paul, I think you are looking at the wrong side of the transformer, on the circuit diagram the right hand side connects to the rear panel sockets via J91 and is "floating" with respect to DC ground.
73 Dave, G4AON -------------------- >According to the schematics one end of the K3 line out isolation transformer >is DC grounded and the line in transformer is DC floating (just to be clear >I am talking about the windings for external connection). ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html