On 8/15/2011 8:12 PM, Jorge Diez - CX6VM wrote:
> Hello,
>
>
>
> a friend told me to not solder radials to the vertical ring/plate and
> between them if I am installing an array, like a 4 square. That´s because
> can catch some noise.
>
>
>
> That´s true?
>
>
>
> If yes, how can I solder them? Also if I use a DXE plate to atacch the
> radials, I need to solder the wire to terminals, so what type of solder may
> I use?
>
>
>
> Jorge it depends a lot on the type and size of radial wire used. Solid
> copper wire #6 through #10 are soldered to large copper strap in broadcast
> installations using silver solder and a torch. Extreme care and cleaning are
> required for a good and stable connection. Some installation use large crimp
> lugs which can take a number of bare copper wires gathered into a single lug
> and crimp with a very large crimp tool. Probably the best ground
> connection(s) are by using the cad-weld method but the cost is high per
> connection. Any dissimilar metal connections are a potential problem for
> which interface connectors are used to prevent the eating up of the less
> noble wire as current does flow through each wire. Due to the high theft of
> entire copper ground systems in some areas some BC stations have replaced
> their whole ground systems with very inexpensive barbed wire and have report
> good results. The problem is the installation handling. It not fun but with
> the right equipment like a vibrating hollow server plow blade it can be done
> and with good speed laying the barbed wire under ground. The replacement of
> the ground system is however reduce from 20 years to 10 but comparison in
> cost to copper is worth considering. Copper clad steel is also reasonable at
> #18 but the survivability depending upon soil type may require even more
> frequent replacement.
Regards, Herb KV4FZ
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UR RST IS ... ... ..9 QSB QSB - hw? BK
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