Homework Assignment for
Go to and read the sections on "Why GPS" and "What is
GPS" in the Trimble website,
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.
List the disadvantages of other kinds of navigation systems.
Why did the DoD develop GPS?
How much did it cost to build the GPS?
What is the planned life span of a NAVSTAR satellite?
Why are ground stations needed?
What is the purpose of differential GPS?
If this form, for some reason, does not work, submit your Word- formatted
answers by way of e-mail to: