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Re: [TowerTalk] Static Drain Resistor in Arrestor

To: "ve6wz@shaw.ca" <ve6wz@shaw.ca>
Subject: Re: [TowerTalk] Static Drain Resistor in Arrestor
From: Ron WV4P <wv4ptn@gmail.com>
Date: Tue, 16 Dec 2025 20:33:55 -0600
List-post: <mailto:towertalk@contesting.com>
An interesting thing about P Static is with stacks, the Lower antennas are
normally immune to it. Often I will TX on all 3 and RX on the bottom 2 when
it's harassing me.

Ron, WV4P

On Tue, Dec 16, 2025 at 8:03 PM ve6wz@shaw.ca <ve6wz@shaw.ca> wrote:

> Jack,
> "P-Static" (precipitation static) is a different phenomena that "wind
> static".
> A grounded antenna will NOT prevent P-Static. W8JI is correct.
>
> Wind static can build incredible voltages (I've seen it) and will
> discharge to ground. Grounding the element through a choke or high value
> resistor will eliminate this. All my antennas must have this.
>
> Precipitation static is a different thing. This is that screeching,
> buzzing, even whistling sound that will crescendo and sputter out, only to
> start again.
> Its the noise that when happening will shut you down from operating.
> It happens when a storm is approaching or in effect. I hear it all the
> time during rainstorms and even snowstorms.
> Grounding the elements on your Yagi or verticals make NO difference at all
> to this type of static.
>
> I really don't think precipitation static is well understood regarding how
> it develops and the exact mechanism that triggers it, but a google search
> might give you some background.
>
> Either way, a static drain choke or resistor will NOT eliminate this type
> of noise when it happens.
>
> Steve ve6wz
> ________________________________
> From: TowerTalk <towertalk-bounces@contesting.com> on behalf of Jack
> Brindle via TowerTalk <towertalk@contesting.com>
> Sent: Tuesday, December 16, 2025 4:06 PM
> To: john@kk9a.com <john@kk9a.com>
> Cc: towertalk@contesting.com <towertalk@contesting.com>
> Subject: Re: [TowerTalk] Static Drain Resistor in Arrestor
>
> Yes, it definitely helps with rain static. If W8JI actually stated that
> grounding the elements doesn’t help, he was wrong.
> It is important to bring both sides to ground, and together, usually
> through a large value resistor or RF Choke that will handle the power.
> Tieing both sides of a dipole through this to ground provides a path to
> bleed off the static charge, thus eliminating rain static (and snow static,
> etc). As Wes stated, adding a fairly large resistor across the dipole
> insulator really helps. Then timing that to ground through the arrestor
> finished the job.
>
> 73,
> Jack, W6FB
>
>
> > On Dec 16, 2025, at 5:48 PM, john@kk9a.com wrote:
> >
> > Does the Morgan coaxal arrestor help with precipitation static or just
> the
> > arc noise?  Rain static can be brutal when contesting.  I thought mine
> might
> > be related to using OWA designs with insulated elements but W8JI has
> stated
> > that grounded elements make little difference.
> >
> > John KK9A
> >
> > Ron WV4P wrote;
> >
> > My fullsize 4el 40 with cool dry air wil arc several inches from coax tip
> > to ground from static. With the Morgan M303 inline... Nothing. This was
> > also very apparent on the SDR (Flex) screen from what looked like
> lightning
> > static crashes to.. Nothing. In that respect, they did exactly what they
> > claimed.
> >
> > Ron, WV4P
> >
> >
> > _______________________________________________
> >
> >
> >
> > _______________________________________________
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>
>
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