[AMRadio] Question about HQ-180


Rob Atkinson ranchorobbo at gmail.com
Mon Sep 11 05:44:33 EDT 2017


That shielding probably matters for stability and isolation.  I'd try
fabricating a replacement out of soft sheet metal, probably aluminum.

73
Rob
K5UJ

On Sun, Sep 10, 2017 at 8:16 PM, Steve Wender <tobiebw2 at newmexico.com> wrote:
> Hi All,
>
> I am about done bringing an HQ-180 back to life.  Because there seemed to be
> several versions on the alignment procedure, it took a while to figure it
> out.
>
> The question I have is about whether the two variable caps for the main
> tuning and bandspread are shielded.  I have seen some pictures showing what
> looks like an aluminum box over them.  In fact there is a bolt sticking up
> from the caps that can be used to hold down the shield covers.  Do you think
> these are necessary? My HQ-180 doesn't have them. Any opinions?


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