It will help to raise the front of the antenna and lower the back of the antenna in the attic. Also here is a suggestion , Metal mounting bracket that is mounted on eave roof support or on the wall. Connect sections of antenna mast to gather to make one long mast that goes from the ground all the way up past the roof line at the peak of the roof. Also here is a suggestion , A chimney mount , metal straps that are made to wrap around the chimney. Also here is a suggestion , move the antenna to some where else on the property. Put the antenna on a antenna mast pipe. Connect the antenna with a long length of RG6 coax and walk around probing for a hot spot , to get all channels.
http://www.solidsignal.com . . .
http://www.starkelectronic.com . . . The out side antenna does not have to be small antenna with these suggestions.