Outcomes
        In this lesson you will 
        - define sensing, switching and regulating 
 
          - describe control systems 
 
          - describe remote sensing 
 
          - Examine application for sensing and control
 
        
Prerequisites
        To be successful in this lesson, it would be helpful to know the following: 
        
        - electromagnetic waves and radio frequencies 
 
          - radar 
 
          - sonar 
 
          - analog and digital 
 
          - GIS (principles and applications)