I have no experience with C-band FTA, but there are people on the forum at
http://www.satelliteguys.us/ that could tell you what would be involved in getting ion. From reception charts it looks like ion is available in the clear from 103.
http://sathint.com/103W?filter=clear
http://www.global-cm.net/MPEGlistCBandUS.html
I am guessing, but to me it seems easier to put up a big dish than to put up a 100’ mast or tower for one channel.