Educational Poster on "How GPS Works"

The PNT National Coordination Office has developed an educational poster, produced in 2013, which explains the basic concepts behind the Global Positioning System. It is online, downloadable from   

It is aimed at science and math students in middle school and high school, as well as the general public.

Full-size prints (35" x 22") will become available in February 2013 for use in schools, conferences, and other educational settings.

To order a free copy for your classroom, please contact Steve Sidorek at the National Coordination Office at