[TowerTalk] Horizontal Delta Loop
Donald E. Stiles
goodnews@mail.cmedic.net
05 Sep 99 21:29:23 -0500
Roscoe Rich,
This Delta Loop will be horizontal to the ground. My objective is to have a high angle of
radiation to provide me with good 160, 80 and 40 meter coverage locally. This is not a DX
antenna. It is probably good to 400 miles on 40 meters. My intentions are to have the ability
to adjust the aerial above known the ground conditions( surface and bottom of the pond ),
therefore adjusting SWR, and perhaps providing some sort of directivity.
For DX, the 60' owesat each end of the triangle will be fed with a gamma match and phased
by a wiring harness. Probably on 17, 15 or 20 meters.
Thanks for sending the reply to my question. Perhaps you know a little bit more of my plans
now.
73 de n8csp
> ** Original Subject: Re: [TowerTalk] 80M 4-SQR
> ** Original Sender: "Richard Boyd" <ke3q@erols.com>
> ** Original Date: Sun, 5 Sep 1999 19:49:05 -0400
> ** Original Message follows...
>
> Oh...your delta loop would be horizontal. Well, there's still only one
> version of delta loop. Almost everyone puts them vertical, not horizontal.
> Horizontal ones, low (like 10-15' above the ground) are sometimes used as
> high angle antennas.
>
> A four-square is a totally different sort of antenna, a vertical array,
> whereas a delta loop is a closed full wave loop. Properties totally
> different.
>
> 73 - Rich, KE3Q
>
> -----Original Message-----From: Donald E. Stiles <goodnews@mail.cmedic.net>
> To: n7cl@mmsi.com <n7cl@mmsi.com>; towertalk@contesting.com
> <towertalk@contesting.com>
> Date: Thursday, September 02, 1999 4:56 PM
> Subject: Re: [TowerTalk] 80M 4-SQR
>
>
> >
> >Eric and TTers,
> >
> >The 4-SQU has four sides. I am thinking of a Delta loop having three
> >sides. In my back yard I have a pond that is an equalateral
> >triangle. Now, the wire antenna(s).
> >
> >I have three 60 foot towers, and I want to suspend wire antennas from
> >these towers at each corner of the triangle or make a Delta loop
> >having three sides.
> >
> >The towers will have 12 VDC motors that will raise and lower the
> >wire(s) over the pond. The pond's inclination flat and does run over
> >a dam as water enters the pond. The inclination that I am talking
> >about is of the antenna(s) in relation to the surface of the pond. I
> >anticipate SWR changes, wave take off angle and other interesting
> >results of the project.
> >
> >I am interested in wire lengths, feeding the antenna(s) and phasing of
> >the aireal.
> >
> >The antenna will be remotely changed in height and inclination as to
> >it's relation to the surface and outer edges of the pond.
> >
> >Perhaps someone can route me to a spot where the Delta Loop is the
> >topic of discussion.
> >
> >tnx es 73 de n8csp
> >
> >Eric Gustafson wrote:
> >
> >> Hi Donald,
> >>
> >> I'm having trouble understanding what you are talking about
> >> regarding the delta loop(s). Particularly, the horizontal
> >> orientation. I'm also having trouble with the concept of the
> >> pond's "inclination". What does this mean? If the pond had an
> >> inclination, why wouldn't the water run out at the low point?
> >>
> >> Could you possibly post a rephrased version of this so we can
> >> tell what it is that you are asking about?
> >>
> >> 73, Eric N7CL
> >>
> >> >Date: Wed, 01 Sep 1999 11:03:34 -0400
> >> >From: "Donald E. Stiles" <goodnews@mail.cmedic.net>
> >> >
> >> >Hi Tom,
> >> >
> >> >I follow the discussions on the 4 Square on the TT, and I am
> >> >looking for books on building Aerials . The alternative I wish
> >> >to use is an array of 3 160M dipoles suspended from 3- 60'
> >> >towers over my Delta shaped pond. The pond is triangular and
> >> >has about 175' legs. The pond's inclination of the pond is
> >> >pointed at SE
> >> >
> >> >I have three 60' towers that I want to plant on each corner of
> >> >the pond. I would like to put a Delta loop horizontal to the
> >> >surface of the pond, but with the capabilities of being raised
> >> >and lowered over the pond's surface and edges. Ascue ! This may
> >> >work out with a triband or a monobander with Driver Element, R1,
> >> >D1, Dir1
> >> >
> >> >Part of my objective is to make the Aerial dynamic, having the
> >> >ability to change attitude. Servo motors and controls have been
> >> >removed from used auto's and have 12 VDC capabilities.
> >> >
> >> >My questions are';:#!:?},
> >> >
> >> >1. Should I use baluns at each feed point? Possibly six (6).
> >> >
> >> >2. I need help with a little design/ building/ measurements.
> >> >
> >> >3. Using phasing harness. I am looking for information on phasing
> >> > a Delta Loop. Do I use Corner feed or center feed or can it
> >> > be even more variable. I think you might have information on
> >> > that topic, and if you can, please send me some information
> >> > via email or usps.
> >> >
> >> >tnx es 73 de n8csp k
> >
> >
> >--
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>
>** --------- End Original Message ----------- **
>
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