Hi Alan, Well, i expect the oxide film losses of the foil should be neglectible, compared to the ground losses. And one has the advantege to reach a high C that is easy to adjust/modify and cheep and
Hi Stefan, my comment was related to the fact that if you support the foil a few inches above the ground that will be fine but you will get a much smaller capacitance. If you bury it or place it on t
