On Mon, 13 Feb 2006 13:41:24 GMT, "Frank"
wrote:

NEC indicates the coil is 123 uH, and a Q of 4471 at 3.8 MHz. You would
certainly have to silver plate the coil in order to maintain such a Q. The
formation of copper oxide will cause Q degradation over time -- despite what
some people seem to think.

It is not just what "some people" think.

Check out: http://k6mhe.com/n7ws/Plating.pdf

73,
Danny, K6MHE



email: k6mheatarrldotnet
http://www.k6mhe.com/