I've read some posts of late of LMR400 and LMR600 outer jacket deterioration
over the last several years.
I am curious if the manufactured outer jacket formula has changed over the
years.
I have some LMR400 ultra-flex on my personal radio tower - installed 15+ years
ago at the rotor flex point, and it has not cracked or dried up yet.
Any information would be greatly appreciated from product made 15 years ago....
until of recent years.
Thanks,
James
ki5dq
--------------------------------------------
On Wed, 8/23/17, <john@kk9a.com> wrote:
Subject: Re: [TowerTalk] Crappy LMR600
To: towertalk@contesting.com
Date: Wednesday, August 23, 2017, 9:07 PM
I use FSJ4 for outdoor jumpers however I cannot imagine that it would be good
for a rotating antennas. It
is not flexible like RG213 and the PVC jacket is somewhat thin.
John KK9A
To: "'Tower Talk'" <towertalk@contesting.com>
Subject: Re: [TowerTalk] Crappy LMR600
From: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Wed, 23 Aug 2017 15:04:59 -0500
List-post: <mailto:towertalk@contesting.com> Bill etal,
I have also used SuperFlex in rotor loops but over time I had one crack along
the annular shield rings, opening
the shield.
Not sure if that was a one off, or something attributable to the SuperFlex
construction.
At the time I decided to replaced them all but I am reconsidering SF vs. UF.
Mike K9MK
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