Topband: Silver Plated Conductor

[Joe Craig]

On Tue, 20 Nov 2007, K4SAV wrote:

>
> GEORGE WALLNER wrote:
>
> >Would silver plating the conductors make a practical
> >difference? There is no significant heating of the

> about three skin depths of plating, that's about 0.0053 inches.  If you
> just walk into a plating shop and say, here silver plate this, you will
> get about 0.00002 inches.  "Highly polish-able" grade silver plating is
> 0.001 inches and costly. You need 5 times that.  It's going to be
> expensive.  Most ham coils used at low frequencies are silver plated
> just for appearance purposes.

It also prevents oxidation of the copper, but I'm not sure how
significant an improvement this will be in terms of Q.

Joe VO1NA