I check out the near by body shops for bent aluminum wheels. They make a great
secure base for attaching radials.
Bob. KT3RR
Sent from my iPhone
> On Aug 24, 2018, at 11:11, W0MU Mike Fatchett <w0mu@w0mu.com> wrote:
>
> You can use mesh or chicken wire. You want to use stainless grid. Chicken
> wire will probably rust away pretty fast. You can hook up additional radials
> to the mesh.
>
>
>> On 8/24/2018 8:21 AM, Chick Allen via TowerTalk wrote:
>> I've been reading a lot of older threads about using ground shields (mesh or
>> solid copper ground radial plates) at the base of an Inverted L for 160.
>> Several contend that AM broadcast stations use copper shielding at the base
>> feedpoint with radials attached around the perimeter as currents are max
>> there. Even the length of the radials becomes a question as one thread says
>> the velocity factor of radials on the ground is 0.50 and the at the proper
>> radial length, for on ground/slightly buried radials, is more like 80 feet
>> and not one quarter wavelength. Buried radials do not need to be resonant
>> so my question centers more on the use of a solid, or mesh, material at the
>> base. Comments on this practice please?
>>
>>
>> Chick, NW3Y
>> _______________________________________________
>>
>>
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|