voltage rule

hypertown@lemmy.world to 196@lemmy.blahaj.zone – 757 points –
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High frequency signals be like: conductors? Where we are going we don't need conductors!

What's the center of this copper wire even for, anyway? I'm going around the edges.

True that. I was amazed how many hundreds of amps I could dump into an aluminum foil antenna at high frequency.

Just aluminum foil around PVC is practically as good as solid aluminum pipe.