Total posts : 45366
[quote=kint98][quote=Rich]Of course. But installing a Part 15 AM tx+3-m whip on an elevated mount with a long conducting path to the ground plane at physical earth IS a violation of 15.219(b), because that conducting path to ground radiates, and the length of the antenna structure then exceeds the 3 meters allowed by 15.219(b). This is a fact of physics that cannot be ignored.[/quote]
Quote kint98: [i]Remember that the FCC does give some latitude on the grounding taking note that grounding is also for protecting your antenna from lightning damage. Thus would not violate part 15. [/i]
You are stating that exceeding the 3-m radiating length of 15.219(b) is acceptable to the FCC if you say it’s just for lightning protection? Can you cite any authority (FCC Rule, policy) for this statement?
There are methods of providing lightning protection for the antenna & tx system that do not require a permanent connection of the tx chassis to the earth, and will not add to the radiating length of the 3-m vertical.