Discussion Questions: GPS: Where in the World Are You?
- What is GPS?
- How does the GPS receiver differentiate between the different satellites?
- Why is the constellation of GPS receivers—24—so large if only 3 are required to find a location?
- Do you or your parents have any electronic devices that use GPS navigation? If so, what are they?
- Some GPS devices are smaller than the diameter of a strand of hair. What would be two possible applications for such devices?
