1. Please post the actual link to the TV Fool Report. It is clickable provides information in addition to what is in your graphic.
2. Ten feet is not very high for an antenna. And the signal strength is very weak at your location. Please re-do your TV Fool Report using the following directions:
http://forum.tvfool.com/showthread.php?t=14508 -- Make new reports at the height you'd like to put your antenna (roof top level) and than at 35 feet and 50 feet (you may not go that high but the details provided by the report are useful).