Topband: Ground Radials

[Ken Brown]

>
>
>One year old copper radial to aluminum plate connections, pre-treated with
>petroleum jelly, are still less than one DC ohm, still shiny. 
>
I wonder what resistance would be considered too much? No argument that 
keeping electrolyte off reduces electrolytic action. Still, if 
available, better to use metals that are closer together in galvanic series.

DE N6KB