[geow] [Geowanking] mapping sensor networks

[Mike Liebhold]

Marc Pfister wrote:

>Are you thinking of something along the lines of a pseudolite system where
>by pinging RFID tags for their locations and then measuring the signal
>return time you can triangulate position? Which would let you scatter lots
>of cheap location tags around an area and then concentrate the electronics
>in a transmitter/reciver combo?
>
That's pretty much how differential gps works.( 
http://www.navcen.uscg.gov/faq/dgpsfaq.htm)  A crisp graphics overlay 
for augmented reality requires very tight caliblration. The more 
location beacons we can distribute, the easier the task ought to be.

/mike

>
>_______________________________________________
>Geowanking mailing list
>Geowanking at lists.burri.to
>http://lists.burri.to/mailman/listinfo/geowanking
>
>
>  
>