Craig,
I like Times Cable AA-9111 for you application but RG-213 is plenty good.
CONSTRUCTION
center conductor: Stranded Bare Copper .108 inches
dielectric: Gas Injected Foam Polyethylene .285
shield: Silver Plated Copper Flat Ribbon Braid .295
: Aluminum-Polyester-Aluminum Tape .300
: 34 GA Tinned Copper Braid (90%k) .329
jacket: Black Flame Retardant Polyurethane over .405
Braid Sealant - Waterproofing Compound
ELECTRICAL PROPERTIES
impedance: 50 ohms
capacitance: 23.9 pF per foot
velocity: 85 %
attenuation @ 30 MHz: 0.9 dB per 100 feet
(typical) 50 MHz: 1.1 dB
150 MHz: 1.8 dB
220 MHz: 2.2 dB
450 MHz: 3.2 dB
900 MHz: 4.7 dB
1500 MHz: 6.1 dB
2000 MHz: 7.2 dB
2500 MHz: 8.2 dB
----- Original Message -----
From: "Craig Clark" <jcclark@myfairpoint.net>
To: <towertalk@contesting.com>
Sent: Thursday, September 16, 2010 2:20 PM
Subject: [TowerTalk] LMR-400 or Davis RG-213 (Kevin Elliott)
>
>
> Date: Thu, 16 Sep 2010 10:05:19 -0700 (PDT)
> From: Kevin Elliott <kg0mn@yahoo.com>
> Subject: [TowerTalk] LMR-400 or Davis RG-213
> To: towertalk@contesting.com
> Message-ID: <280749.23010.qm@web113003.mail.gq1.yahoo.com>
> Content-Type: text/plain; charset=us-ascii
>
> Hi Group,
>
> I will be ready to install my new tower in about 3 weeks once the concrete
> has a
> chance to get accustomed to its new home. My question is which of these
> two
>
> choices of coax is going to be the best and easiest to work with? I will
> have a
> 100' run and it will be used with a Mosley TA-33 so the area I am
> concerned
> about is the rotor loop and any turns of coax I might want to place on the
> boom
> of the antenna. I currently do not have either coax in hand and therefore
> I
>
> have to ask the experts.
>
> Tnx and 73
> KG0MN = Kevin
>
> Kevin
>
> These are two very different coaxes. Times LMR400 is a double shielded
> coax
> with a copper clad Al solid center conductor while RG213 is a single braid
> with a stranded copper center conductor. LMR is stiffer due to the solid
> center conductor and I don not recommend it for feeding a rotating
> antenna.
> I prefer coax with a stranded center conductor.
>
> IMHO, for a 100' run at HF, RG213 is a perfectly acceptable choice to feed
> your beam antenna. It is flexible and easy to work with. The Times cable
> starts to shine in longer runs and at higher frequencies.
>
> Yes, I sell them both.
>
> 73 Craig
>
>
> Craig Clark K1QX
> Radioware
> PO Box 209
> Rindge NH 03461
> 603 899 6957
> www.radio-ware.com
>
>
>
>
>
>
>
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>
>
>
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