This comparison of 3 UHF antennas shows that the CM4228 is the best for reception of channels 7 thru 13 and UHF channels 40 and below , thats the weak channels you receive at your location. The DB8 comes in second for reception of UHF channels above 40. And the HD8800 comes in last for reception.
http://www.antennahacks.com/Comparis..._vs_HD8800.htm ,
http://www.antennahacks.com/Comparis...F_Shootout.htm. . I do my best to stay up to date and informed about all aspects of antennas and reception.