The impression I had was that it was basically 2-turns with the feedpoint having a tuner of some sort.
I, too, would be interested to know this as I'll be moving after retirement to an area where I could do something like this.
I asked Art a long time ago during an exchange about an "eastern receiver" for his web radio 3840 system on S-meter, but he never replied.
[SIZE="1"]Frederick R. Vobbe, Allen County Ohio - Grid EN70wr
[I]"[B]Attention LIDs[/B]: It's OK for people to think you're an idiot. Just don't type messages on QRZ, or speak on the air and prove them right!"[/I][/SIZE]