There's one in the 30 watt range west of there in Horse Cave, KY. that gets out too. Both of those towns are along the area in the Cumberland Mts. where the bedrock shifts from sandstone in the east to limestone in the west. It seems to make a difference in MW propagation in the region.
Horse Cave is just south of Mammoth Cave on I-65. Lot's of distillery's in that area but you can't buy the products in the area. They're all dry counties.