First thing you need to do is go to the main page of this site & go to the Start Maps function.
http://www.tvfool.com/index.php?opti...pper&Itemid=90
switcth to satellite view & move the locator to your exact location. Then use the Create Radr Plot fuction.
Post the resulting url here so we can see your actual anticipated signals & strengths (don't worry. It will obfuscate your actual location for privacy)
Then we can mak some possible suggestions.
Realistically, I know of *no* design or plan the will be omni-directional & function on all 3 TV bands.
We may be able to come up with a 2 antenna solution & a combiner that will eliminate the need for a rotor though