Samething here in NJ. the Club put all new Db Antennas On the 100 foot tower.
New Feedline. still had the noise...new grounding system. all sections bonded.
still Noise. changed the guy cables to Phillystrand. Problem went away
--- On Thu, 3/12/09, Chuck Kelsey <wb2...@roadrunner.com> wrote:
> From: Chuck Kelsey <wb2...@roadrunner.com>
> Subject: Re: [Repeater-Builder] Quieting duplex noise from a tower
> To: Repeater-Builder@yahoogroups.com
> Date: Thursday, March 12, 2009, 2:59 PM
> Oh, it's difficult to say how close "close"
> really is, but keep it in mind
> if you run out of other fixes. The only test is to remove
> the suspect
> antenna from the site, and that may not be easy.
> Disconnecting it or
> grounding it will not help you diagnose.
>
> Also, I'll ask the dreaded question... You are not
> using any foil/braid coax
> (LMR-400, 9913, etc.) for any jumpers are you? If, so,
> replace it before
> you do anything else. Or is there some near your antenna
> for some other
> purpose?
>
> Chuck
> WB2EDV
>
>
>
> ----- Original Message -----
> From: "Paul N1BUG"
> <paul_n1...@myfairpoint.net>
> To: <Repeater-Builder@yahoogroups.com>
> Sent: Thursday, March 12, 2009 1:21 PM
> Subject: Re: [Repeater-Builder] Quieting duplex noise from
> a tower
>
>
> > Thanks Chuck. What would you consider nearby? There is
> one
> > fiberglass antenna on a tower 60 feet away. It was new
> when it went
> > up 2 years ago, but my problem existed before that
> tower/antenna
> > went up.
> >
> > Aside from that the nearest other fiberglass antenna
> (or antenna of
> > any kind) is 250 feet away.
> >
> > Paul
> >
> > Chuck Kelsey wrote:
> >> Suspect any other nearby fiberglass antenna in
> your search.
> >>
> >> Chuck
> >> WB2EDV
> >
>
>
>
> ------------------------------------
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