Topband: Fsj4 series heliax around a rotor

[Carl]

What is this antenna, tower, rotator, and cable configuration?

Im also using 5 cables and around a Tailtwister rotator.

Carl
KM1H


----- Original Message ----- 
From: "Peter Voelpel" <dj7ww at t-online.de>
To: <topband at contesting.com>
Sent: Sunday, June 08, 2014 10:45 AM
Subject: Re: Topband: Fsj4 series heliax around a rotor


>I turn 1/2" Cellflex cable which is similar to FSJ4 for more then 30 years
> and never had a problem.
> On one tower I turn a bunch of 5 cables at once.
>
> And yes, never damage by critters since using that kind of cable on all
> bands, also as feed lines for beverages.
>
> 73
> Peter
>
> -----Original Message-----
> From: Topband [mailto:topband-bounces at contesting.com] On Behalf Of Carl
> Sent: Sonntag, 8. Juni 2014 15:33
> To: jim at audiosystemsgroup.com; topband at contesting.com
> Subject: Re: Topband: Fsj4 series heliax around a rotor
>
> More of a topic for a VHF/UHF forum where the question comes up often..
>
> I use that coax on the mast and to power dividers and out to individual
> yagis but it certainly is not meant to survive long around a rotator. 
> There
> I use LMR400UF and into a 50-75 Ohm coax line transformer into .75 to 1" 
> 75
> Ohm CATV hardline for 144 MHz and higher.
>
> Another line transformer converts back to 50 Ohms in the house to keep the
> several Bird 43 line sections and elements happy.
>
> Carl
> KM1H
>
>
> ----- Original Message ----- 
> From: "Jim Brown" <jim at audiosystemsgroup.com>
> To: <topband at contesting.com>
> Sent: Saturday, June 07, 2014 11:09 PM
> Subject: Re: Topband: Fsj4 series heliax around a rotor
>
>
>> This would be a natural topic for Tower Talk.  Access via contesting.com
>>
>> 73, Jim K9YC
>>
>> On 6/7/2014 7:03 PM, Bill Wichers wrote:
>>> I'm thinking about replacing the lmr400 with fsj4-50b heliax since I 
>>> have
>
>>> several thousand feet of that on a reel. I'm also thinking that the
>>> corrugated copper shield will resist critter damage better than the 
>>> braid
>
>>> in the lmr400 cable.
>>
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