I once heard an old wives tale ..................I think...............
"verticals on the beach, horizontals high on the hill"
me laddie, cackle cackle, or whatever old wives say.......
mike w7dra
On Fri, 21 Sep 2012 00:20:09 -0400 "Joe Subich, W4TV" <lists@subich.com>
writes:
>
> > If this is not a fools folley I will put together what I find
> > suprising and put it on my web site for everyone to access but I
> dont
> > to take the time to document it if its a waste of time.
>
> There are significant differences between "verticals on the beach"
> and
> verticals (including vertical dipoles) over real ground. Google
> for
> "pseudo Brewster Angle" and see the differences between the
> essentially
> perfect ground provided by salt (sea) water foregrounds and the
> even
> "excellent" dirt.
>
> 73,
>
> ... Joe, W4TV
>
>
> On 9/20/2012 5:55 PM, wa3mej@comcast.net wrote:
> >
> >
> > I noticed that some of the DXpeditions are using vertical
> diipoles
> > next to the sea on at least some of the higher bands ( I am
> guessing
> > 20 and up). I stuffed the data into EZNEC 5.0 and came up with
> some
> > suprising results, hope I did it correctly I am not an antenna
> guru .
> > Now as Tom has just indicated modeling is great but its only
> modeling
> > it doesnt really tell what happens in the real world/ground
> > conditions etc.
> >
> >
> >
> > Does anyone have any real world experience with these dipoles?
> Do
> > they work in non beach environments such as near the mountians?
> > Comments welcome... and I am willing to take the comments off list
> if
> > it suits you.
> >
> >
> >
> > If this is not a fools folley I will put together what I find
> > suprising and put it on my web site for everyone to access but I
> dont
> > to take the time to document it if its a waste of time.
> >
> >
> >
> > Jim
> >
> >
> > http://www.qsl.net/wa3mej/index.htm ----- Original Message -----
> > _______________________________________________ UR RST IS ... ...
> ..9
> > QSB QSB - hw? BK
> >
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
____________________________________________________________
53 Year Old Mom Looks 33
The Stunning Results of Her Wrinkle Trick Has Botox Doctors Worried
http://thirdpartyoffers.juno.com/TGL3141/505c09bed5f769be6fc0st01vuc
_______________________________________________
UR RST IS ... ... ..9 QSB QSB - hw? BK
|