[Elecraft] Seeking loop Antenna Parts

Bob McGraw K4TAX rmcgraw at blomand.net
Wed Feb 10 15:39:33 EST 2016


One point to consider if running the antenna wire through a pulley. It 
will work back and forth in the wind and as trees move.  The constant 
flexing will take its toll on the wire.  A stranded wire with insulation 
I have found preferred and lives longer.    Also, use large diameter 
pulleys to keep the bending to a minimum.   With a fixed terminating 
point and three pulleys, forming somewhat of a square,  only one counter 
weight is required at one corner to keep the wire tight.

And yes, feed it with a balanced line of your choice.  Do bring it all 
the way into the house, thus avoiding any coax runs to the balun or 
matching network.   On QRZ.COM, you can see my balanced line section 
from the tuner,  running up the wall, through the ceiling, to the attic 
and to the outside.  Lightning protection is on the outside before the 
line enters the house.

73
Bob, K4TAX
K3S, s/n 10163



On 2/10/2016 12:37 PM, Nels Nelsen wrote:
> Copper is fine for conductivity but:
>
> multistrand copper coated steel
>
> is longer lasting. Just remember this when you start trouble shooting
> strange swr in a couple of years. Copper breaks so easy.Go to the
> Wireman.com for some good wire.
>
>                         NE7LS
>
>
>
> On Feb 10, 2016 1:59 AM, "Clay Autery" <cautery at montac.com> wrote:
>>
>>
>> 3) 500' nominal, 14 AWG, THHN stranded annealed copper, gray.
>>
>> 4)
>                         n_n
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