What the h*ll would cause this?

[Patrick G.]

Every night now, at about 10:30pm central time, my Kansas City Local Networks (ABC, NBC, CBS, Fox) go out. Every night like clockwork at about that time I get the black screen with the channel unavailable message. Any ideas?

[MikeW]

Do you live on the fringe of the DMA. Could be an issue with the spotbeam coverage.