[email protected] said: > I guess this is a bit OT, but that article seems to imply that these > re-radiated GPS signals can provide positioning service inside of long > (1,150 meters in the example) tunnels for train control systems, and I am > having trouble imagining how that works.
I think they are used for timing rather than position. (If the article said position, it was probably a botch by the reporter.) If you solve for position, you will get the position of the receiving antenna used by the re-radiating system. -- These are my opinions. I hate spam. _______________________________________________ pool mailing list [email protected] http://lists.ntp.org/listinfo/pool
