Re: LF: ATU rebuild.

["Doc Gruis" <donnatom@netins.net>]

Did you use plastic pipe for the sprinkler system?

Doc.

Dave wrote:
> Dear all.
>
> Back on the air now and I have lined the ATU hut with metal, both aluminium
> sheet and aluminium cooking foil! All this is bonded to earth. Everything is
> much more docile with less corona from the top of the coil so I thought
> maybe current was down. I measured it and current (measured on the antenna
> feeder outside the box) is 10 per-cent better for the same input power.
> I therefore recommend putting your loading coils in large earthed metal
> boxes! It avoids losing power in nearby lossy structures and may contain a
> melt-down better.....
>
> I should be joing in the fun again tonight.
>
> 73. Dave G3YXM.