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[Amps] Silver Plated Copper strap

To: <amps@contesting.com>
Subject: [Amps] Silver Plated Copper strap
From: w8ji at contesting.com (Tom Rauch)
Date: Wed Mar 5 12:11:54 2003
> For <100MHz, Ag-plating is of no value other than to prevent oxidation of
> the Cu.  I polish Cu tank conductors with fine steek wool and coat them
> with clear urehane varnish.  They look ok years later.  The same varnish
> is also good for coating HV-RFC's to prevent wire rattle during
> modulation.

Any dielectric lowers Q of RF coils, especially when turns are close spaced
and the coil is not very long with small diameter or when reactance is high.

Steel wool may leave residue and is a problem in electronics workshops,
steek wool may be ok. Never used it or urehane.

73 Tom


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