Originally posted by orgonaut314
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I don't think the terminals act as capacitor plates, the soil and water (the soil is damp) is conductive so it would be sorted out, although it would be a very high DC resistance. It's essentially a single wire transmission system. But the coils can also be capacitively coupled, it's not very obvious in the video but the signal is received when I put my hand on the plastic side of the bucket and hold the receiver input in my other hand. You can replace the soil with air but then the transmission distance is greatly reduced because there is no longer a conductor joining them together. It all loads the coil differently so ideally the receiver should be retuned each time I change the configuration in the video. I would say that the idea behind the "wireless" is simply that wherever you go on the planet, you are always standing on the same conductor.
Simple experiments can reveal obvious and important things. For example I mentioned that in the video I'm using 6mm diameter steel rods instead of the (much better) 22mm diameter copper pipes. The difference is obviously observable when you test them side by side. Also the signal can be observed to get progressively weaker in proportion as the terminals are pulled out of the soil. So the better your grounding, the better your reception.
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