The following items will test your grasp of the material contained in this lesson. There is only
one correct answer for each item. When you complete this exercise, check your answers with
the answer key that follows. If you answer any item incorrectly, study again that part of the
lesson which contains the portion involved.
What are call signs used to identify?
C. communication facility
D. all the above
When information about the identify of call signs is a matter of public knowledge, they are
What does a specific call identify?