Mal,
the conductivity of silver is better than that of copper. But the difference is
marginal, the main advantage is that silver will not oxidate as much as copper
(metal oxides are rather poor conductors). That is why silver plating makes
sense, in particular on very high frequencies (where skin depth is small, but
solid silver wire does not (apart from the fact that is will break very easy).
However, the conductivity of gold is worse than that of silver and copper, I
don't think that there is any good reason to use gold plated antennas (maybe
except for vanity).
73, Rik ON7YD
________________________________________
Van: [email protected] [[email protected]]
namens mal hamilton [[email protected]]
Verzonden: maandag 19 april 2010 17:47
Aan: [email protected]
Onderwerp: Re: LF: EARTH
Mike
Silver is ideal and better than copper but in California and possibly Texas
they prefer GOLD, listen to those big W6 and W5 signals. I think W6AM had a
gold plated rhombic around the mid 50's. The heyday of amateur radio before
the appliance operator appeared.
Nice to hear from you
de mal/g3kev
----- Original Message -----
From: "WE0H-Mike" <[email protected]>
To: <[email protected]>
Sent: Monday, April 19, 2010 4:15 PM
Subject: Re: LF: EARTH
> I run 11,100 feet of radials for my HF and 600m antennas. It works great
but I have lots of wire and lots of time to put them in the ground...hi hi
>
> As Mal said, using a good antenna and a few radials will work good. Use a
poor antenna and many radials and expect a compromise performance.
>
> I have been finding that using silver plated Teflon insulated wire for my
antennas and any coils, that my antennas seem to radiate well. I think the
silver plating has a lower A/C resistance than copper which lowers the wire
losses.
>
> Mike
> WE0H
> WD2XSH/16
>
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> Mobile on my BlackBerry
>
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