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Subject: Force12 Braid grounding
Author: Frank C. Travanty <w9jcc@juno.com>
Date: 01-Sep-2000 12:15:09
I have a C-31XR and have had a ~ 10 over S-9 continuous S-meter reading
for as long as an hour, when a storm is approacing 50 miles out, as well
as the typical rain/snow noise. I was considering modifying the matching
section from a hairpin "coil" to a beta match similar to that used on a
TH6DXX, and grounding the neutral point to the boom to DC ground the
driven element. Haven't tried it, so can't vouch for its effectiveness. I
used the TH6DXX for 30 years, and although I did experience rain/snow
noise at times, I don't recal it being as severe as with the current
antenna.
73,
Frank

On Fri, 1 Sep 2000 08:14:11 EDT K7LXC@aol.com writes:
> In a message dated 08/31/2000 9:59:39 PM Pacific Daylight Time,
> list@qth.com
> writes:
>
> > From: "Barry Kirkwood" <bjk@ihug.co.nz>
> > To: <Force12Talk@qth.com>
> > Subject: Fw: [Force 12 Talk] Isolated elements
> > Date: Fri, 1 Sep 2000 11:11:00 +1200
> >
> > Hello Force 12ers,
> > Am interested in this. Have had one reply saying that bonding
> braid of coax
> > to boom upstream from balun works OK. Any other
> opinions/experiences?
>
> I'll always ask "Is it what the manufacturer recommends?". I
> don't ever
> remember seeing anything about grounding the feedline shield in any
> of the 2
> dozen or so F12 antennas that I've installed. If they don't tell you
> to do it
> - DON'T do it. If they tell you to do it - DO it.
>
> > Would expect this to reduce rain/snow static.
>
> Snow? New Zealand?
>
> Cheers, Steve K7LXC
> Tower Tech
>
>
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>

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This Thread
  Date   Author  
03-Sep-2000 Ken Hirschberg
02-Sep-2000 Pete Smith
02-Sep-2000 Guy K2AV Olinger
02-Sep-2000 David LaBat
01-Sep-2000 Guy K2AV Olinger
* 01-Sep-2000 Frank C. Travanty
01-Sep-2000 K7LXC@aol.com
This Author (Sep-2000)
  Subject   Date  
C19XR + WARC 7 19-Sep-2000
* Force12 Braid grounding 01-Sep-2000
QUESTIONS 28-Sep-2000
raising an antenna 07-Sep-2000