1)  Student Pre-lab activity:
       -  Read the following sections of the GPS Overview:  What is GPS,

          History of GPS, and How GPS Works

2)  Classroom Materials for Instructors:
        - Select this link to view PowerPoint slides for instruction.

3)  Module One Field Exercise: 
        - Complete the Field Exercise. Options for viewing: 

As a webpage (html)

As an Adobe pdf file

A Microsoft Word Document