> > >Or you have the Orb send you a wavefront, you bounce it back, and then you > >adjust the frequency until you get a standing wave; the Orb does the math > >for you and tells you the distance. Or you do the beacon thing above - > >say two fixed sorcery mirrors somewhere which you can bounce a wave off. > >If the Orb's timing is fine enough (and I guess it would have to be) then > >instead of the frequency-adjustment thing you can just do a ping and have > >it measure the time. All assuming the speed of sorcery isn't infinite. > > The mirrors would have to be in orbit because land features would get in the > way, or the curve of the planet would cut off line of sight. Maybe they can > innately locate the stars. Or they have a sorcerous device that doesn't need > satellites or mirrors at all. We are dealing with a civilization that can > teleport, GPS shouldn't be too far out of their league. Then again, maybe it's one of > the great mysteries of Dragaera. > > John D. Barbato OD The Orb is not a line-of-sight device; plus I believe sorcerous waves can be transmitted through objects - consider the Quick Road.