[R-390] Heat Death

[Barry]

> Interestingly there is one application where I found the IERC tubes
> were a
> very bad idea. On the Hammarlund SP-600, any of the JX models that
> have the
> crystal deck, there is a tube on the backside of that module. It is
> sideways mounted. IERC shields make that tube run almost hot enough
> to melt
> solder (it will definitely melt the skin off of your finger).

I would think that's to be expected since the chimney effect of the shield can't work that way.

Barry - N4BUQ