Fw: [Antennas] Half wave vertical question

Mon Dec 6 16:58:06 EST 2004

----- Original Message -----
From: "Ed Worst" <edworst at att.net>
To: <Bshmstr305 at aol.com>
Sent: Monday, December 06, 2004 14:37 PM
Subject: Re: [Antennas] Half wave vertical question
> Hi Rick,
>> Take a look at AA5TB's article, "The End Fed Halfwave Antenna"
> (www.qsl.net/aa5tb/efha.html). There are several other interesting
articles
> at that website.
>> Another reference is "End-Fed Half-Wave Antennas" by Joe Everhart, N2CX
> (www.njqrp.org/n2cxantennas/halfer/index.html). He uses a parallel tuned
> circuit tapped for a 50 ohm match. I think I saw that method in a QST
> article also. Either one should work.
>> Hope this is of some help.
>> 73,
> ed - k9ew
>>> ----- Original Message -----
> From: <Bshmstr305 at aol.com>
> To: <antennas at mailman.qth.net>
> Sent: Monday, December 06, 2004 3:21 AM
> Subject: [Antennas] Half wave vertical question
>>> > I have read that the impedance of a half wave vertical CAN be several
> > thousand ohms. My question is how many thousands. The feed point will be
> approx. 6
> > inches above ground at my location. I have 6 quater wave radials in
place.
> I
> > am trying to match this antenna to a TinEar receiver that I recently
> built. It
> > requires a 50 ohm input. I would like to wind a torroid transformer to
> match
> > these two, but don't know the ratio I will need. Any help would be
> > appreciated. Rick
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