3.4.9.1. Wide Area Augmentation System (WAAS) survey

Try these first

1. 1.

   What does WAAS stand for?

   Hint

   Think of the full name of the system.

2. 2.

   How many ground reference stations are involved in WAAS?

   Hint

   Consider the number of stations mentioned in the section.

3. 3.

   What does WAAS improve in GPS?

   • Accuracy
   • Speed
   • Signal Strength

   Hint

   Think about what WAAS is meant to augment.

4. 4.

   WAAS uses how many ground reference stations?

   • True
   • False

   Hint

   Recall the number of stations stated.

5. 5.

   Describe how the data flow from ground reference stations to the user involves WAAS.

   Hint

   Think of how communication travels in a system to deliver information.

6. 6.

   Analyze the implications of not using WAAS in critical navigation applications.

   Hint

   Consider the risks associated with less accurate GPS information.