> A counterpoise is a good alternative to an earth ground for a small coil.
> did not say how much power you are running. If the supply is 12 or 15 kv at
> 30 or 60 ma, I would think a counterpoise would work well, especially for a
> portable, indoor type coil. A couple of chunks of mesh metal screen or
> fencing maybe 5 ' x 5 ' each should work well. Just lay them on the
> to one side or directly under the coil, connected together and to the
> the secondary. Someone should be able to calculate just how many square
> of conductor is required for this based on the power supply size, but I
> not know how to do it. Sounds like a good math project for someone.
It's 15kv at 60ma. In case someone knows how to calc this, please include
the equations for future refference.