Go to http://www.trimble.com/gps/
and read the sections on "How GPS Works" , then answer the following
questions in the space provided. Be sure to submit your answers after you
finish and keep a copy for your files.
What are the five logical steps of how GPS works?
What is a PRC?
Why are PRC's so complex?
What is an atomic clock?
What is the "trick" used that make a receiverís clock
What is Universal Time?
What are the functions of the ground stations?
What does the Air Force use to calculate each satellite's exact altitude,
position and speed?
Multi-path error is caused by .
Explain what causes GDOP.
Of all errors, which is the largest? Why is this error present?
If this form, for some reason, does not work, submit your Word-
formatted answers by way of e-mail to: