I know it's a long shot, (and I'd try the 805-cband first) but I've pulled BYUTV off of the Telstar 12-KU feed before. I don't know how you'll do in Southern Iowa (I'm on the east coast) but hey, if it works it works.
From Lyngsat:
Telstar 12 Ku-Band Transponder 29 Linear - 15 degrees W...