[RFI] DFing intermittent connection

[Pete Michaelis - N8TR]

That is exactly what Tom, W8JI told me almost 40 years ago.

73, Pete - N8TR


At 05:44 PM 8/16/2021, donovanf at erols.com wrote:


>When its no longer under pressure and protected from moisture
>the RF resistance of braid goes up dramatically because the
>crossovers in the braid no longer conduct effectively.
>
>
>That's why the appropriate choice for an outdoor conductor is
>stranded wire or solid wire and never braid
>
>
>73
>Frank
>W3LPL
>
>----- Original Message -----
>
>From: "K9MA" <k9ma at sdellington.us>
>To: donovanf at erols.com, rfi at contesting.com
>Sent: Monday, August 16, 2021 9:27:16 PM
>Subject: Re: [RFI] DFing intermittent connection
>
>
>Gee, it's worked for me for years. Not much salt spray in Wisconsin.
>
>
>73,
>Scott K9MA
>
>
>
>On 8/16/2021 12:32 PM, donovanf at erols.com wrote:
>
>
>
>Jim,
>
>
>Please ignore Scott's advice, it will cause tower corrosion and quickly fail
>
>
>73
>Frank
>W3LPL
>
>----- Original Message -----
>
>From: "K9MA" <k9ma at sdellington.us>
>To: jimk8mr at aol.com
>Cc: rfi at contesting.com
>Sent: Monday, August 16, 2021 4:30:35 PM
>Subject: Re: [RFI] DFing intermittent connection
>
>Or just use the braid from some RG8 and a couple hose clamps.
>
>
>
>----------
>
>Scott Ellington. K9MA
>
>--- via iPhone
>
> > On Aug 16, 2021, at 9:27 AM, jimk8mr--- via RFI 
> <rfi at contesting.com> wrote:
> >
> > The kit is basically a very heavy, very flexible cable, six feet 
> or so, with lugs on both ends, and clamps with a large flat surface 
> to attach to the mast and to the tower leg. I'd think that the 
> bottom lug could be attached to a tower bolt, or some other low 
> resistance connection to the tower.
> > It would seem to also be simple to homebrew something a bit less 
> rugged, perhaps using a piece of RG-8, shield and center conductor 
> connected together.
> >
> > 73 - Jim K8MR
> >
> >
> >
> > -----Original Message-----
> > From: EDWARDS, EDDIE J via RFI <rfi at contesting.com>
> > To: RFI List <rfi at contesting.com>
> > Sent: Mon, Aug 16, 2021 9:09 am
> > Subject: Re: [RFI] DFing intermittent connection
> >
> > Just FYi...They told me they only have the bypass kits for 
> standard Rohn towers, but not for the BX or HDBX series towers. 
> Need to make your own for other non-rohn configurations.
> >
> > 73, de ed -K0iL
> >
> > -----Original Message-----
> > From: RFI On Behalf Of jimk8mr--- via RFI
> >
> >
> > You might look into DX Engineering's Bearing Bypass Ground Kits 
> DXE-BBGK-2-25-P.
> > I installed one yesterday for K8AZ. I'm not sure if Tom had a 
> particular problem or it was just as a precaution. It easy to 
> install, the only issue in my case was that the tower had been 
> painted, so some paint scraping was in order. But much easier than 
> replacing a thrust bearing!
> >
> > 73 - Jim K8MR
> >
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>
>--
>Scott  K9MA k9ma at sdellington.us
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