Yes, but not much since the dielectric is still mostly air.
Gerald,
K5GW
In a message dated 10/5/2016 2:16:19 P.M. Central Daylight Time,
alex.k2bb@gmail.com writes:
will wire insulation affect the resistance?
On Wed, Oct 5, 2016 at 2:32 PM, TexasRF--- via TowerTalk <
towertalk@contesting.com> wrote:
> ZO= 276 X log ( (2 X spacing) / wire dia.)
>
> 6" spacing, .0641" diam = 627 ohms.
>
> 73,
> Gerald K5GW
>
>
>
> In a message dated 10/5/2016 1:17:31 P.M. Central Daylight Time,
> towertalk@contesting.com writes:
>
>
> A quick question:
>
> I'm considering a reversible Beverage out in KH6 using DX Engineering
> setup. Their system requires the Beverage to be constructed of 450 ohm
> ladder
> line. Cost of the ladder line and the cost of shipping 1500 feet to KH6
> is
> quite high. The system is designed to operate in a range of 300-600
ohms
> and of course the 450 ohms is right in the middle of that range.
>
> I've heard of guys using two wires in parallel to each other spaced 6-12
> inches kept apart with home brew spacers and was considering this as an
> economical alternative. I asked the guy from DX-Engineering if this
would
> work and he wasn't sure since he didn't know what the impedance would be
> for
> the two wires. So, here I am.
>
> Any rough idea as to what the impedence would be for two nr 14 wires
> spaced around 6 inches or 12 inches? I'd really like to use the DX
> Engineering
> stufffor this but want to be sure it would work with something other
than
> the 450 ohm ladder line.
>
> Thanks ahead of time!
>
> Bill K4XS/KH7XS
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