[Elecraft] VP6DX Success Due to K3's or Antennas?
WILLIS COOKE
wrcooke at flash.net
Fri Feb 22 15:37:27 EST 2008
The Mojo is in the sea water which has a conductivity
of about 500 millimhos/per meter. The best of soils
are about 30 millimhos/meter and average soil about 5
mmhos/meter. A small island is as near to a perfect
ground plane as you will find.
--- Björn Mohr <bm at broadcast.se> wrote:
> I agree! Although the K3 is a great radio, 90% of
> the mojo is antennas and
> location. If you are really interested in the secret
> of vertical antennas
> near salt water check out this site;
>
> http://k2kw.com/k5k/dxcomp.htm
>
> 73 de Björn /SM0MDG
>
>
> On 080222 5:41 , "Ron D'Eau Claire" <ron at cobi.biz>
> wrote:
>
> > Being on the edge of a huge salt-water pond gives
> VP6DX's verticals an
> > advantage no "land lubber" can hope for. There's a
> lot of interaction
> > between the electromagnetic wave and the earth
> from a vertical antenna for
> > many wavelengths from the antennas. Real "earth" -
> dirt - is a terrible
> > medium. It's sort of the world's worst dielectric,
> even when soaking wet.
> > But salt water is a different story. It's a very
> efficient medium for the RF
> > to interact with.
> >
> > There's a reason why so many DX-peditions like to
> find themselves on a small
> > rock in the middle of the ocean, and it isn't just
> for the view.
> >
> > Ron AC7AC
> >
> >
> > -----Original Message-----
> > I don't want to spoil the Elecraft Mojo theory,
> but does anyone have any
> > details, other thqan what is on the VP6DX web
> site, on what antennas they
> > are
> > using with the k3's?
> >
> > Do the vertical dipoles have parasitic elements?
> Are they using low-loss
> > coax? Etc. Inquiring minds would like to know.
> >
> > 73,
> > Henry - K4TMC
> > K3 #98
> > **************
> >
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Willis 'Cookie' Cooke
K5EWJ
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