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
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