[Amps] copper vs steel /SS /brass conductors in a HF tank circuit

[John Lyles]

I'm pleased that Rob specified "in a HF tank circuit" for his comment "they are so nearly the same that copper strap is good enough; silver just looks pretty and impresses people."
Silver does look pretty and so does copper. Soon, I will post a photo about an incredible silver plated cavity that I bought for work. For VHF, where all the RF current remains in the skin ~ thousandth of an inch thick, 
its important to maintain low resistance for the life of the amplifier, say 30 years. Silver plating appears to be best.

73
John
K5PRO

> Message: 2
> Date: Tue, 22 Mar 2011 10:42:48 -0500
> From: Rob Atkinson <ranchorobbo at gmail.com>
> Subject: [Amps] copper vs steel /SS /brass conductors in a HF tank
> 	circuit
> To: amps at contesting.com
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> 	<AANLkTinAWzLNmnWpHCJDHzk4+wHRNe6ZpPx2WpcmwDTD at mail.gmail.com>
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> 
> steel and s.s. are ferrous metals; they heat up with enough RF
> current.  Too much R.  OTOH if you look at conductive properties of
> silver and copper (undergraduate introductory physics book) they are
> so nearly the same that copper strap is good enough; silver just looks
> pretty and impresses people.
> 
> 73
> 
> Rob
> K5UJ
>