On Sat, 25 Oct 2003 02:21:12 -0400, wrote:

On Fri, 24 Oct 2003 22:23:48 -0700, Frank Gilliland
wrote:

In , lancer wrote:

snip
Chrome has about the same conductivity that Stainless does, or at
least from the info I found. 3-15% for Stainless, 19% for chrome,
relative to copper.

For a conductor 102" long with a diameter of 0.625", the following metals have
the following AC resistance at 27 MHz:

Chromium .0194 ohms
Copper .00711 ohms
S. Steel .0451 ohms

http://www.amm.com/index2.htm?/ref/conduct.HTM

Chrome has 55% the conductivity of copper

Steel (all types ) 3% - 15%

17-7 ph stainless steel is used for most stainless antennas

Its resistivity compared to the standard (copper) can be found here
http://www.hpmetals.com/elec_resist.asp

Copper = 1.71 microohm-cm

17-7 ph = 83 microohm-cm

In other words stainless antenna stock has 2% the conductivity of
copper.