[Antennas] EH-Antenna Test Article On eham

Sun, 6 Apr 2003 00:29:26 -0500

For those who are interested there is an article on the EH antenna in this
months Monitoring Times .
ED YEARY W4TEY
325 CUMBERLAND DRIVE
HARROGATE, TN. 37752-6942

----- Original Message -----
From: "Francesco Ledda" <[email protected]>
To: "Chris BONDE" <[email protected]>; "Adam Farson" <[email protected]>
Cc: <[email protected]>
Sent: Saturday, April 05, 2003 10:06 PM
Subject: RE: [Antennas] EH-Antenna Test Article On eham

> I agree with most of all you are saying, but when I read patent 6,486,846,
I
> still get very puzzled because it disagrees with what I studied in my Emag
> classes.
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of Chris BONDE
> Sent: Saturday, April 05, 2003 8:57 PM
> To: Adam Farson
> Cc: [email protected]
> Subject: RE: [Antennas] EH-Antenna Test Article On eham
>
>
> At 04:19 PM 2003-04-03 -0800, you wrote:
> >Chris,
> >
> >Ah, you have touched on the difference between science and necromancy.
> >
> >Cheers for now, 73,
> >Adam VA7OJ/AB4OJ
> Now, how do I, just a student of electronics, attempt to explain to Adam,
a
> guru, my thoughts?  I repect your experience and wisdom in the field,
> however, I have to take exception to   "... the difference between science
> and necromancy.".
>
> I shall take that what you meant by 'necromancy' you meant 'magic' or
> 'sorcery', not 'the fortelling of the future by communicating with the
> dead'; and, by science, you meant, ' knowledge of general facts, laws and
> relationships that is obtained through systematic observations and
> experiment, especially as applied to the physical world and the phenomena
> associated with it'.  Further, 'magic' as 'something that produces results
> by mysterious influence, unexplained power'.
>
>  From this, I would say that you and I agree that the EH antenna is
magical
> as no one can really explain it.  Using present equations and Poynting
> vector doesnot.  Then is it wrong?  Or is it right?  We will find out
> later.  If it works then an explaination shall have to be devised.
>
> A few moons ago, a number of us were preparing for an exam in physical
> optics.  The question was asked, "When do we use the wave theory of
> light  or the particle theiory of light?'.  The answer, 'Use what gives
you
> the correct answer.'.
>
> Or when I built my crystal radio, I had comments on why use a piece of ore
> for your radio, be modern and use a tube (valve).  Well, most diodes
> nowadays are based upon the that hunk of galena.  Or when only a 1/4wl
> vertical was an antenna.  Wow, what happened when Yagi-Udal started to
show
> their antenna?  Was that magic?
>
> So, basically, what I am saying, I think, is;
> If it works lets try using it then explain somehow how it works.
>
> That poynting vector is magic even though it (a vector) does point.  I
have
> not fuly grasped it so it must be magic.  Why do some call a small loop
> antenna a magnetic loop?  I thought that all antennas had both the E and H
> vectors?
>
> Chris opr VE7HCB
>
>
>
>
>
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