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Re: [TowerTalk] TH11DX and Belden 9913

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] TH11DX and Belden 9913
From: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Thu, 26 Feb 2004 00:01:14 -0500
List-post: <mailto:towertalk@contesting.com>
I used the flexible version of 9913 for the rotor loops and had no problem
with them.

I believe Belden also has a flexible version.  As with the flexible version
of LMR-400 it runs slightly more loss (couple tenths of a db)


>     Thanks for all the excellent comments on Belden 9913.  I guess that I
> made the "right" decision in getting the CQ FLEXI 4XL.
>
The only problem I've had with rotor  loops was when the wind sheared off a
coupleing bolt in the top mast and the antennas made a couple of turns while
the coax ended up serving as a brake.  Twas a bit hard on the jacket.

Roger Halstead (K8RI, EN73 & ARRL Life Member)
N833R, World's Oldest Debonair (S# CD-2)
www.rogerhalstead.com


>     As one final question, has anyone on this thread used it directly to a
> beam with a "rotor loop?"  If so, did you have any problem with flexing?
>
>         73
>
>         Bernard, WA4OEJ
>
>
> ----- Original Message -----
> From: "Tower (K8RI)" <tower@rogerhalstead.com>
> To: "Bernard" <wtrone@comcast.net>; <towertalk@contesting.com>
> Sent: Wednesday, February 25, 2004 8:30 PM
> Subject: Re: [TowerTalk] TH11DX and Belden 9913
>
>
> > At one time I used 9913 for everything.  It only took one lightening
> strike
> > to blow off the waterproofing to change my mind.   I replaced about 1200
> > feet of it with LMR-400.  I gave away and threw out a lot of 9913 that
was
> > still good.
> >
> >
> > HyGain may be referring to straight 9913 instead of the flexible stuff.
> The
> > regular is not recommended to use for "rotor loops" as it will
eventually
> > fatigue and the center conductor does move around. OTOH some have had
the
> > stuff up for years.
> >
> > Roger Halstead (K8RI, EN73 & ARRL Life Member)
> > N833R, World's Oldest Debonair (S# CD-2)
> > www.rogerhalstead.com
> >
> >
> >     I was looking at the instruction manual for the HyGain TH11DX and
> > noticed that it said that Belden 9913 coax is NOT recommended as
feedline.
> > Anyone know why?  I just bought some CQ FLEXI 4XL from the Wireman and I
> > think that it is a variation of the Belden 9913.
> >
> >     73
> >
> >     Bernard, WA4OEJ
> > _______________________________________________
> >
> > See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
> > Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with
> any
> > questions and ask for Sherman, W2FLA.
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
> >
> > _______________________________________________
> >
> > See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with
any
> questions and ask for Sherman, W2FLA.
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
>
>
>


_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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