Also, the main 2x2 looks kind of metallic (gold). Might just be the photo, or maybe paint. If there's anything metallic about it, the whole antenna's one big short.
The crossed feed lines are curious, but correct. This channel-master looks to be the same design:
http://www.solidsignal.com/prod_disp...om=Large#xview
and the bays are cross-fed similarly. I don't know the math behind it, was hoping one of the experts would chime in...?