Hi Tom,
They should have no effect on antenna performance if they are where I think
they are, that is on the feed line coming from your transmitter and not on
the phasing line in the vertical network.
Any antenna phasing lines for multiple verticals should be after the last
stub.
73
Gary K4FMX
> -----Original Message-----
> From: towertalk-bounces@contesting.com [mailto:towertalk-
> bounces@contesting.com] On Behalf Of Tom Osborne
> Sent: Wednesday, April 05, 2006 11:14 PM
> To: Towertalk
> Subject: Re: [TowerTalk] Phasing verticals and stubs
>
> For interstation interference reduction
>
> Tuned to the CW part of 40
>
> I have a line from my rig to a stub, 1/4 line to the next stub, then to
> the
> antenna
>
> Tom W7WHY
>
> > 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@contesting.com [mailto:towertalk-
> >> bounces@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@verizon.net>
> >> >> To: "Towertalk" <towertalk@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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