ABC is the furthest away station in Buffalo. Since you don't mention being able to get 33-1 (AKA 2-1) or 39-1 (AKA 4-1), two other stations in the same general region as ABC, it sounds like you need more gain, like a preamp, and possibly an antenna with higher directionality, like the CM 4248.

If you haven't already, take a look at the location map.