Alec Brown of the GB Phoenix carries a program listing of 7’1”. Now, being 5’10”ish, I don’t have a real good feeling for heights above 6 1/2 feet. I mean, if I’m looking up at a guy, and I usually am, I tend to default to 6’2” for reference purposes. I would suck as a carnival height/weight guesser dude.
Anyway, you make the call. First-hand, Alec Brown might just be 17 feet tall: