[artim2205]

I just took a quick look at the links in your message Ron. I'll spend some time looking them over this afternoon. I had no idea that all of this type of info was available going back in time so far. It reminds me of someone finding the dead sea scrolls.   I've been restoring a 1965 Thunderbird and its taken me years to dig up technical info on some of the details about this old car. You guys are like the keepers of the archeology of these radios.