Home » Welcome / open talk

Science Explained: How does sat-nav work?

 
Tue, 04/27/2010 - 7:44am

http://news.bbc.co.uk/2/hi/science/nature/8643772.stm

Quote:

How does sat-nav work?

Professor Cathryn Mitchell from the University of Bath explains as she finds herself navigating around London.

‹ Early adventures with GPS Contributors of the Week 2010-04-19 ›
Tue, 04/27/2010 - 7:47am

Sat-Nav

That was quite interesting.

Thanks.
Fred

Tue, 04/27/2010 - 3:28pm

Bloody good . . . explanation that is!

I especially enjoyed her comment near the end that a fourth sat signal helps to overcome the "cheap clock" built into most hand-held gps. That ia a good little video to show the kids when they ask how gps works! Gotta love the BBC.

--
Winston Churchill said, “Americans can always be counted on to do the right thing, after exhausting all other possibilities.”