On Tue, 11 Jul 2006 11:55:08 -0700, you wrote:
>Yes. If you think of lightning as DC, you're likely to be in
>serious trouble. IEEE studies show that the energy content in
>lightning has a broad peak around 1 MHz, with significant
>content well above and below that range.
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That raises an interesting question. As I understand it, lightning
really does flow in one direction, making it DC but having a
square-wave nature. Is that where the HF component comes from?
Lightning doesn't really change directions, does it?
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