Total posts : 45366
Maybe a lighting [sic] arrestor like a gap-type or MOV between the radiator and a grounded cable. Not sure how the FCC and state regulations would see it though. Technically, it’s only grounded during a lightning strike…
As you noted, a “gap-type or MOV” device installed where a grounded conductor is attached to an elevated AM transmit system will not much affect or prevent radiation from that conductor under normal conditions.
(Later) I’ll refrain from any technical rebuttal to Mr Blare’s post in Reply #3 above, though certainly his response there was/is meritless.