Re: [Amps] Skin depth: silver plating of tank circuit coil feasible with chemical plating kits?

["David Cutter" <d.cutter@ntlworld.com>]

Great set of tests Larry.

Here is some stuff from the old days which I've posted here a few times:

http://www.k6mhe.com/n7ws/Plating.pdf and 
http://www.k6mhe.com/n7ws/Fowler_Errata.pdf

David
G3UNA




>  Take a look at http://www.bnk.com/w0qe/inductor_Q_tests.html where I 
> made a bunch of measurements.
> 
> Silver is a 7% better conductor than copper but at RF the skin depth is 
> inversely proportional to the conductivity so the gain you get from 
> heavy silver plating is only about 3.5% to 4%.  You would be better off 
> to just increase the copper wire size by 1.  As far as beauty is 
> concerned, painting or clear coating the copper has no effect at HF.  
> All the stuff you hear about oxides of silver being conductors are BS.
> 
> Larry, W0QE
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