Radials For Verticals - How Many - and How Long?

So many permutations BUT there IS science hidden behind the myths. Allow me to untangle this in just a few minutes. Here's the link I mentioned: https://youtu.be/Lum7_4FmbS0

Here's the radial pins: https://www.m0mcx.co.uk/store/products/biodegradable-ground-radial-pins/

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