Hello
BuryFlex by Davis RF is a great choice for rotor loops
73,
Jorge
CX6VM/CW5W
-----Mensaje original-----
De: TowerTalk [mailto:towertalk-bounces@contesting.com] En nombre de
TexasRF--- via TowerTalk
Enviado el: jueves, 11 de junio de 2015 05:54 p.m.
Para: jim@audiosystemsgroup.com; towertalk@contesting.com
Asunto: Re: [TowerTalk] Rotor loop coax choices ?
Hi Jim, it is not widely known but Belden 8214 does not have a
non-contaminating jacket. I just confirmed it on the 8214 data sheet on
their website to make sure I remembered it correctly.
Too bad as it is a very nice coax otherwise.
73,
Gerald K5GW
In a message dated 6/11/2015 3:37:18 P.M. Central Daylight Time,
jim@audiosystemsgroup.com writes:
On Thu,6/11/2015 1:16 PM, Mark Spencer wrote:
> I have nagging doubts about using cables with a solid foil shield for
> a
rotor loop.
I would share your concern.
> I do like the idea of double shielded cables so RG213, RG 8 etc are
> off
the table for now.
I wouldn't worry about "double-shielding," but rather the quality of the
shield. Look through the Belden catalog for an RG8 or RG213 with a robust
copper braid shield and stranded center. Look at 8237, 8268, 8214. or 9251.
All are 97% shield coverage. Check out vendors like Markertek. 9251 has
non-contaminating jacket. 8214 is #11 center; the others are #13.
You don't need a lot of coax for the rotor loop, so cost is hardly a factor
-- I'd be more concerned about finding someone to sell you short lengths.
:)
73, Jim K9YC
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