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Re: [TowerTalk] LMR600 up to the top of tower ?

To: towertalk@contesting.com
Subject: Re: [TowerTalk] LMR600 up to the top of tower ?
From: Steve Sacco NN4X <nn4x@embarqmail.com>
Date: Sat, 1 Aug 2015 23:26:00 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Does anyone have first-hand experience with Ecoflex?  It looks quite good.

http://vibroplex.com/contents/en-us/d38.html


73,
Steve
NN4X


On 8/1/2015 9:24 PM, towertalk-request@contesting.com wrote:
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>    1. Re: [Bulk] Re:  LMR600 up to the top of tower ? (Robert Harmon)

> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 1 Aug 2015 10:43:41 -0700
> From: Robert Harmon <k6uj@pacbell.net>
> To: "<towertalk@contesting.com>" <towertalk@contesting.com>
> Subject: Re: [TowerTalk] [Bulk] Re:  LMR600 up to the top of tower ?
> Message-ID: <0979DB51-1243-4D32-B278-A6B939DCC0B8@pacbell.net>
> Content-Type: text/plain; charset=us-ascii
>
> Grant,
>
> I will have a stack on my HDX589 consisting of 40/20 on the bottom and a new 17/15/12/10 on top.
>  I see your point on LMR600UF for the swing arm loops not holding up.
> So lets see if I have your arrangement right. You are running 7/8 and 1/2 LDF from the shack to the tower top section, > then they connect to Buryflex for the swing arm loops for rotation, and the Buryflex cables continue up the mast and connect to the
>  beams.  Is that correct ?
>
> Bob
> K6UJ
>
>
>
>
>> On Aug 1, 2015, at 7:16 AM, Grant Saviers <grants2@pacbell.net> wrote:
>>
>> I second Roger's comment. Coax I removed from a large stack were 7/8 hardline to LMR600UF swing arm loops, and the 600 was in bad shape after 7 years. Several cuts, one complete tear of the braid, water inside. I'm using Buryflex service loops and with 7/8 LDF5 for 20/15/10 and 1/2 LDF4 80 & 40 have less than 0.8db loss Yagi feedpoint to amp on all bands. Buryflex is very tough stuff and flexible enough for service loops. With the long runs (140' tower, 125' to shack) in hardline the slight additional loss for the short service loop is within the loss budget.
>>
>> Grant KZ1W

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