Total posts : 45366
I guess I’m curious as to why you’d be skeptical. Some people just don’t believe anything until it’s proven in their presence, if that’s you, no problem.
Otherwise, he has obviously built and tested them himself, seeing as how much of the notion of how they work is his own invention/design.
I have no cause to disbelieve, not even doubt, what he says. BTW, did you miss the pictures in the presentation of his antenna and the broadcast AM antenna in the background, and the commentary about how the testing procedure, and how they even made sure that soil conditions would be the same?
It would seem unlikely that the FCC would be disturbed by putting the matching LC network inside a metal box with the transmitter board. I think it would be even more likely to pass muster if we can figure out how to make it all physically smaller…