> Rob, are you implying that I shouldn't use a steel lattice tower to conduct 
> RF as a radiator?

Good question and I wondered the same thing.  Firstly not "implying"
that at all.

It comes down to mass and surface area.  The problem with steel, iron,
etc. is when you have a lot of RF current over a small area like a
narrow piece of steel strap or a steel nut, bolt and washer.   The
surface area of a tower is so big that it doesn't present the same
amount of problem.

73
Rob
K5UJ
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