Yeah.
Right now the cable internet is coming into the box and hitting a 3 way splitter. I have cable drops in 7 rooms, and I'm fairly certain if I moved my modem, I'd have cable internet at the other drops. I know there's another splitter somewhere (probably in the attic), but I've not found it yet.
Preferably, I'd like to take the cable internet line out of the splitter and have it moved to another location, i.e. coming in the house near the room I have the modem set up currently.
Then I could hook the outside antenna into the splitter and have OTA HD in every room.