Mike,
My Daughter had a swimming pool installed in a very rocky area. They dug the
hole using a Bobcat mounted Jack Hammer. You might check the heavy equipment
rental guys and see if you can locate one. I suspect the pool guys rented it
somewhere in San Antonio.
73's Jim
W5IFP
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com]On Behalf Of Michael Goins
> Sent: Tuesday, November 09, 2010 1:46 PM
> To: Glen
> Cc: Tower Talk
> Subject: Re: [TowerTalk] Quads
>
>
> If there is anyone in the Pipe Creek area who can help with the
> tower hole,
> I'll have a 5-6 el quad up asap after the concrete is dry. Can't get the
> hold deeper because of the rocks.
>
> Mike, k5wmg
> Pipe Creek, Texas
> Green cars, slow boats, big dogs, old trucks, little radios, and
> summers off
> to write
>
>
>
>
>
>
> On Tue, Nov 9, 2010 at 7:48 AM, Glen <k4kv@mds-ham.com> wrote:
>
> > Hello,
> >
> > After my 4th quad in 40 years, this last one covers from 30M to 6M.
> >
> > It is a spider type design, with optimum element spacing.
> >
> > I found with this last one, with all the WARC bands, it seems
> to lower the
> > impedance.
> > I found them closer to 70 ohms not 90, and removed all the matching
> > sections. I used a tower
> > mounted coaxial switch. The match is quite good without
> matching sections.
> >
> > 73's
> >
> > Glen K4KV
> >
> >
> >
> > Tom
> >
> > I think that you need to know the impedance of your antenna
> first before
> > think
> > to use a matching section to adjust it to your coaxial.
> >
> > I have a 6 band quad 6-20m and only in 12m is needed the
> matching section
> > all
> > the others bands are direct feed to 50 ohms
> > the antenna design was to have the direct feed to 50 ohms coax, the
> > impedance
> > is around 45-60 ohms in the bands and most of them reach the 1:1.1
> >
> > each loop is feed with a piece of coaxial cable to the remote antenna
> > selector.
> >
> > More info about my antenna that was designed by Robert KG6B (I took
> > advantage
> > of his work and build mine first ) he have a photo of his antenna and
> > all the related things in his web page http://www.kg6b.com/
> >
> > I have another 6m quad old design and that also feed direct
> to 50 ohms,
> > from
> > the packet.com
> >
> >
> > Another great source of Quads mono band and long boom are in the W4RLN
> > books
> > Cubical Quad.
> >
> > Also a few clues of how you can get a direct feed to 50 ohms with
> > broadband
> > in
> > quads (yagis also) is www.g0ksc.co.uk he is great in the design and
> > modeling antennas
> >
> > Hope you learn a few new things of the quads modeled with powerful
> > computer
> > software.
> >
> >
> >
> >
> >
> > J.Hector Garcia XE2K / AD6D
> > Mexicali B.C DM22fp
> > P.O.Box 73
> > El Centro CA 92244-0073
> > http://xe2k.net
> > http://dxxe.org
> >
> >
> >
> >
> >
> >
> > ________________________________
> > From: Tom Horton <k5iid@sbcglobal.net>
> > To: antennas@mailman.qth.net; Tower Talk <towertalk@contesting.com>;
> > ctdxcc@kkn.net; ntcc@yahoogroups.com; ham-antennas@yahoogroups.com
> > Sent: Mon, November 8, 2010 8:41:16 PM
> > Subject: [TowerTalk] Quads
> >
> >
> >
> >
> >
> >
> > I've been using Quads for many (50+) years. Previously I have
> always used
> > 1/4
> > wave matching transformers.
> > But this time when it went up, I purchased a commercial matching
> > transformer.
> > Well, when it was installed, it was open. So, for a temporary
> fix, the 20
> > and 17
> > meter elements were attached to the feedline directly. The
> antenna seems to
> > perform quite well even in this hookup.
> > I am tempted to just hook all the elemments to the feedline without a
> > matching
> > device of any kind.
> >
> > I have read many things written about doing this and it seems that all
> > seem
> > to
> > have favorable results.
> > I am interested in hearing from fellows that have done this
> and what their
> > results were.
> > Thanks,
> > Tom K5IID
> >
> > _______________________________________________
> >
> >
> >
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> >
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> >
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