How many buried radials did you use? They sure work well on my 4-square --
60 radials per element, which is about the minimum you should use.
> -----Original Message-----
> From: Paul Playford [mailto:w8aef@worldnet.att.net]
> Sent: Saturday, November 08, 2003 2:00 PM
> To: Macie, Gordon; towertalk@contesting.com
> Subject: Re: [TowerTalk] 40 Meter Vertical Construction
>
>
> I started with 1 1/4" od and stepped down from there on my
> 40m 4 square. The feed point is 10 feet above the ground with
> elevated radials and each element is guyed 3 ways at the
> middle. Lots of room for the birds to roost. It's been up at
> this QTH for 6 years.
>
> When I had this antenna at a previous QTH with buried radials
> I clamped the elements at each 6" overlap. But the clamps
> did not hold so now each overlap is rivited (2 ea 3/16"
> rivets each splice). And I was not happy with the buried
> radials - antenna didn't work as expected.
>
> 4 squares do work - with elevated radials, that is.
>
> de Paul, W8AEF
>
>
>
>
>
> ----- Original Message -----
> From: Macie, Gordon <GMacie@innotrac.com>
> To: <towertalk@contesting.com>
> Sent: Friday, November 07, 2003 10:17 PM
> Subject: [TowerTalk] 40 Meter Vertical Construction
>
>
> > I am building a 40 meter 4-square. I have decided to build it with
> aluminum
> > from Texas Towers. The bottom section will be 1.625 and
> reduce 1/8 per
> > section above that with the top peice being .875. How much
> do I need
> > to overlap or telescope into each section for mechanical
> strength ??..
> > I am thinking 6 to 12 inches.
> >
> > Blurb below from Texas Towers web site.
> > 6063-T832 Drawn Aluminum Tubing
> > Typical yield strength of 40,000 psi. The chart shows all available
> > telescoping sizes which are specifically designed to fit together
> precisely,
> > making antenna construction easy, while offering
> professional results.
> >
> >
> > Gordon N4LR
> > n4lr@arrl.net
> >
> > _______________________________________________
> >
> > See: http://www.mscomputer.com for "Self Supporting Towers",
> > "Wireless
> Weather Stations", and lot's more. Call Toll Free,
> 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
> >
> > _______________________________________________
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> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
>
>
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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