Part One: Warm Up
Discuss the following questions with a partner or group:
- Is global positioning system (GPS) backed up by ground based navigation systems?
- What will the effect be of increasing GPS airways structures around the world?
- Why do you think people deny that GPS is a more accurate navigation system?
- Why are ground based navigations systems being removed each year? Why is this a concern?
Part Two: Listening
Exercise
Open the exercise to begin the activity. Follow the instructions in the document.