Of course you can put an antenna on your roof. You can probably also put an antenna on your neighbor's roof. Your neighbor cannot get into the business of re

Of course you can put an antenna on your roof. You can probably also put an antenna on your neighbor's roof. Your neighbor cannot get into the business of rebroadcasting TV signals, though. Your intent to figure out exactly where the line is drawn is a failure that geeks have when going about the law. The law isn't written for a robot to unfailingly interpret. You won't get a good answer for the same reason the tribes making headphones out of coconuts won't get a good answer for how exactly they need to wear them for the cargo planes to come back.