OK, I answered your other thread and am back on this one. I think I figured out where your mom is in Wideman. The satellite photo shows trees, but there are no leaves because of when the photo was taken. Trees block UHF signals:
http://www.hdtvprimer.com/antennas/siting.html
scroll down to Trees and UHF
Her location is on the extreme fringe of KYTV coverage:
a closeup shows that her location is in a dead zone for the KYTV signal. Purple is very weak; no color is even weaker.
The terrain profile shows the interference from the curvature of the earth and the rough terrain.
