> 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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