Using a silicon diode rectifier instead of an AZ31 valve

[Nick]

I've now completed the repair, and reinstalled the chassis into it's cabinet. The radio is working very well on all 3 wavebands , although the frame aerial is prone to picking up the digital 'hash' so prevalent these days, which wipes out all but the strongest signals. AFAIK, there's no real cure for that!

Put the equipment in a Faraday Cage