And they're both already present in the TVF database.
If they're not showing up in your plot, it's probably due to the combination of your specific location relative to their minuscule coverage areas and directional transmitting antennas.
And they're both already present in the TVF database.
On the TV signal locator they are not showing. I put the address of Canton City Hall (they are both in Canton) and it is not showing either transmitter.