His low band 160 meter antenna system is built like a mediumwave broadcast station's with that kind of radial ground plane! If you had a licensed AM station, that's what you'd be putting in.
An interesting thing is how the 4 T-sections around the antenna are used to direct the signal. The sections are just part of the guy wires holding the tower up. For a directional array, broadcast stations use several towers, but it would be interesting to see if something like this could be used on the broadcast band, saving money and land use.
Anyway, beautiful antenna farm and station, hopefully it's an ongoing project and it's great that the guy gets to share it with other operators. When you get the station of your dreams, then you have to find the next big thing to conquer.
Boomer