[TowerTalk] Phasing verticals and stubs

[Gary Schafer]

What are the stubs for? 
What are they tuned to? 
Why would you have a 1/4 wave phasing line on a single vertical?
Or are you saying that the stubs are separated by 1/4 wave on the feed line
to the vertical array?

73
Gary  K4FMX

> -----Original Message-----
> From: towertalk-bounces at contesting.com [mailto:towertalk-
> bounces at contesting.com] On Behalf Of Tom Osborne
> Sent: Wednesday, April 05, 2006 8:42 PM
> To: Towertalk
> Subject: Re: [TowerTalk] Phasing verticals and stubs
> 
> Yes, I meant they are in an equilateral triangle.  Had a brain fart.
>   Lots of postings on this subject, but nobody has yet answered my
> original
> question.  I'll post it again.
> 
> I have 2 stubs, separtated by a 1/4 wave phasing line on my single
> vertical.
> Will these stubs affect the phasing of the verticals.  That was what I was
> originally asking.  Thanks and 73
> Tom W7WHY
> 
> 
> ubject: Re: [TowerTalk] Phasing verticals and stubs
> 
> 
> 
> > The 'right triangle' system utilizes two verticals per selected
> > direction with the third 'floating'.
> > The 'equilateral triangle' system uses all three verticals
> > simultaneously, but requires much more coax for phasing and a more
> > complex switching system, one that cannot be done over the coax like the
> > 'right angle' system.
> > Don
> > N8DE
> >
> > Bill wrote:
> >> Hi Guys
> >> Can you explain the "right triangle."   My understanding is that the
> >> three
> >> are in an equilateral triangle (60 degrees between each antenna).
> >>
> >> Bill
> >> W7VP
> >>
> >>
> >> ----- Original Message -----
> >> From: "Tom Osborne" <w7why at verizon.net>
> >> To: "Towertalk" <towertalk at contesting.com>
> >> Sent: Tuesday, April 04, 2006 5:41 PM
> >> Subject: Re: [TowerTalk] Phasing verticals and stubs
> >>
> >>
> >>
> >>>Hi Don
> >>>
> >>>They are in a right triangle, but mine are switchable in 6 directions.
> I
> >>>had them all set up before and they worked great, but the winter storm
> >>>took
> >>>them all down.  I have 2 of them up now and going to put the 3rd one up
> >>>this
> >>>weekend.  I have a box I build which switches them and all I need is
> one
> >>>phasing line in the shack.  It is amazing to watch the signal strength
> >>>when
> >>>I rotate the switch through the 360 degrees.  Thanks and GL on the
> >>>project.
> >>>Tom w7WHY
> >>>
> >>>
> >>>
> >>>>Tom,
> >>>>
> >>>>Why not put the three verticals in a right triangle.
> >>>>
> >>>>You can remotely switch the phasing using voltage over the coax so it
> >>>>will
> >>>>beam four compass directions.
> >>>>Mine were [and will be soon] phased for NE, SE, SW, NW with 0, +DC, -
> DC,
> >>>>AC voltage for those directions.
> >>>>Contact me for info if you're not familiar with the remote switching
> >>>>circuit[s] which you can use.
> >>>>
> >>>>I manufacture [one at a time] the control [similar in nature to the
> old
> >>>>Heathkit control] and remote head with connections for a SINGLE 1/4-
> wave
> >>>>phasing section.
> >>>>
> >>>>Don
> >>>>N8DE
> >>>>
> >>>>Tom Osborne wrote:
> >>>>
> >>>>>Howdy all
> >>>>>
> >>>>>I'm putting my 3 40 meter phased verticals back up after the storms
> >>>>>took
> >>>>>them down.
> >>>>>
> >>>>>A question I  have is, if I put my stubs back in the line, is it
> going
> >>>>>to
> >>>>>mess up the phasing?  I'm using 1/4 wave phasing lines on the
> verticals
> >>>>>and 1/4 wave stubs (2 of them) in the line.  Thanks and 73
> >>>>>Tom W7WHY
> >>>>>
> >>>>>_______________________________________________
> >>>>>
> >>>>>
> >>>>>
> >>>>>_______________________________________________
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> >>>>>
> >>>>
> >>>>
> >>>>
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> >>
> >>
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> >>
> >>
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