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Re: [TowerTalk] Rotor loop coax choices ?

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Rotor loop coax choices ?
From: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>
Date: Thu, 11 Jun 2015 16:26:56 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
I don't know about the generic stuff, but I'd suggest staying away from The UF versions of the LMR cables. The jacket is easily abraded. I've had lots of experience with LMR400 and 600UF. The only good experience was they are the most flexible cables I've ever use, but they didn't last.

The F7 version is fine as is BuryFlex(TM) which has a very rugged jacket.
I doubt the foil part of the shield would pose a problem.

73

Roger (K8RI)

On 6/11/2015 4:16 PM, Mark Spencer wrote:
Hi, I've typically used RG 214 for rotor loops with good success.  I've more or 
less run out of RG 214 and am wondering about the pros and cons of Belden 
9913F7 (the newer style of 9913) and flexible lmr 400 style cable (the type 
with the stranded center conductor.)

I've had good results with 9913F7 in the past but have never used it for a loop 
around a rotor and it is now hard to obtain locally over the counter.

I picked up a short run of generic FLexible LMR 400 to try out but am not sure 
this is the correct choice.  I'll likely use it for patch cords.

The price for new RG 214 is causing me to look for alternatives and I used it 
in the past because I had it on hand and it seemed suited to this application.

I have nagging doubts about using cables with a solid foil shield for a rotor 
loop.

I do like the idea of double shielded cables so RG213, RG 8 etc are off the 
table for now.

Any comments are welcome.

Thanks
Mark Spencer
VE7AFZ

Sent from my iPhone
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73

Roger (K8RI)


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