Mirror, Mirror Page 38
"Yes, but only through an encoded network. Basically a lot of dummies, really short messages and some fancy coding." She tapped the map's surface. "If anything bad happens within three light-years, we'll know about it thirty minutes later."
Ellis had nodded, lost in thought. "Not bad... Although if something did pop in your backyard, what would you do? Move the city again?"
Carter had given him a lost look. "That's the part we haven't worked out yet."