[TowerTalk] Interpreting symptoms

Chuck N7BV ck2jones at yahoo.com
Thu May 5 07:31:01 PDT 2011


GM,

Am just finishing up replacing my control cable to my SteppIR 3el.   Symptoms were High SWR all bands.   PROBLEM - mice in underground conduit chewed the cable, S L O W L Y.   Drove us up the wall.

73, Chuck N7BV


----- Original Message -----
From: Mike <nf4l at nf4l.com>
To: towertalk at contesting.com
Date: Thu, 05 May 2011 09:06:11 -0400
Subject: Re: [TowerTalk] Interpreting symptoms

> That's my best guess too, Gerald.
> 
> 73, Mike
> 
> On 5/5/2011 8:17 AM, TexasRF at aol.com wrote:
> > Shorted/open coax feed line?
> >
> > Happy hunting!
> >
> > 73,
> > Gerald K5GW
> >
> >
> >
> > In a message dated 5/5/2011 6:10:57 A.M. Central Daylight Time,
> > nf4l at nf4l.com writes:
> >
> > My  SteppIR is exhibiting high SWR at all frequencies. Varying the length
> > of the
> > driven element does not affect it.
> >
> > If I plug only the center  conductor of the coax into the rig the noise
> > level is much
> > higher than  when the shield makes contact. Any SWAG's as to what this
> > means the
> > problem likely is?
> >
> > 73, Mike  NF4L
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