[Elecraft] open wire feeders
Phil Kane
k2asp at kanafi.org
Sat Dec 31 19:41:18 EST 2011
On 12/31/2011 11:34 AM, Don Wilhelm wrote:
> It is just as easy to use two parallel lengths of coax with the shield
> grounded and the balanced feedline connected to the two center
> conductors. That will produce a shielded balanced line that you can
> bring into the shack just like a single coax.
In the days when the FCC's mobile direction-finders consisted of a
rotatable "Finch" loop, the feedline was Twinax, two conductors within a
single shield resulting in a cable about the size of RG-11, fed into the
balanced antenna input of the receivers in use.
I don't know if the cable or its connectors are readily available these
days.
--
73 de K2ASP - Phil Kane
Elecraft K2/100 s/n 5402
>From a Clearing in the Silicon Forest
Beaverton (Washington County) Oregon
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