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Talking about ground radials necessarily combines with questions about safety ground, and right this moment I came up with a plan.
Whereas we part15ers tend to DIY, I believe I will call in a professional once I install an outdoor antenna structure, namely a licensed electrician.
His assignment will be to install a safety ground at the transmitter according to all codes and standards, with no regard whatsoever (in his assignment) to any question of RF.
Once this professional safety ground arrangement exists, with full documentation plus stickers and labels, it seems to me that any future FCC inspection will take the matter of a professional ground safety install as being non-negotiable, since it involves what I think Marshall termed “NEC vs FCC.” And, all things being political, it leaves the part15er looking pretty sharp.
Later I am back to AMEND this blog:
An off-stage voice reminded me that a 3-meter antenna right AT ground level can meet safety AND radial needs, but come to think of it this blog is about antennas raised on poles, so the Amended remark is slightly off subject, but a genuine fact, in any case.