B&W company sells something like the below. I telephoned them and the man
there said, forget it, it is a poor antenna-- and he sells it!
Personally, I donna know.... K4VUD
On Tue, 28 Apr 1998, Ward Silver wrote:
>
> Oh, now this is interesting - so maybe a poor man's rhombic could be made
> from one good-sized support? Run a slantend wire up from ground level,
> back to ground level, terminate at one end and feed at the other. Hmmm...
> It might have to be a pretty high support, but Western Wash has some
> pretty sizable Douglas Firs.
>
> Anybody tried this configuration below 20-meters?
>
> 73, Ward N0AX
>
> > John: A real "Inverted Vee" is an end fed wire that
> > is precisely a half rhombic, several wavelengths long, and
> > terminated on the far end.
> > It was originally called the "Collins Antenna", but that gave
> > way to Inverted Vee. What hams call an inverted vee is
> > just a drooping dipole, called inverted vee because of it's
> > shape.
> > de KL7HF
> >
> > -----Original Message-----
> > From: John Brosnahan <broz@csn.net>
> > To: towertalk@contesting.com <towertalk@contesting.com>
To: <towertalk@contesting.com>
> > Date: Tuesday, April 28, 1998 4:41 AM
> > Subject: Re: [TowerTalk] New Discussion Topic: Dipole secrets
> >
> >
> > >>(An Inverted V is really a half-Rhombic turned on its side, with the
> > >>earth forming the other half. Somehow we started calling droopy
> > >>dipoles Invereted V's.)
> > >
> > >Au contraire:
> > >
> > >An inverted V is a reasonable description of the antenna that is
> > >based on a dipole. Calling it a " half-Rhombic turned on its side"
> > >is not only more clumsy to say it is also technically incorrect.
> > >The rhombic has legs that are MULTIPLE 1/4 Wavelengths on
> > >a side (when used in the resonant mode without a termination),
> > >whereas the inverted V has only a SINGLE 1/4 wave on a side.
> > >In the non-resonant mode the rhombic still has legs MUCH longer
> > >that a 1/4 wavelength and requires terminations--something that is
> > >never done with an inverted V.
> > >
> > >73 John W0UN
> > >
> > >
> > >--
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> >
> >
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>
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