They are licenses to Springville, but their coverage contour show that they cover Buffalo and points further north. Here is their signal model via their web site.
As for WNGS, they consider themselves the only local owned TV station serving Buffalo, as can be seen from this page on their web site.
[Link: wngs-tv.com]On July 16, 2011 at 06:06, antennas said...
WNGS is a television station licensed to Springville, New York only.