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RE: Mini coil earth?
Original poster: Thomas <tom-at-pwrcom-dot-com.au>
Thanks Jim, I'll do that.
It's a pity ESD bench mat material (anti-static mat) would be no good for
this, as I have tons of it.
I do have some 100mm wide copper tape (~1mm thick) that I could solder
together with some copper braid (so that it folds up quite small).
> Original poster: "Jim Lux" <jimlux-at-earthlink-dot-net>
>
> Make a chicken wire or hardware cloth counterpoise. The
> radius should be
> about the height of the topload above the counterpoise. Square, round,
> hexagonal, matters not... Ground the RF ground (i.e. the bottom of the
> secondary) to the counterpoise. Hook the counterpoise to the
> green wire
> (safety) ground too, but that's not what you're depending on.
>
>
>
> almost all the RF current will be carried in the counterpoise.
>
>