LESSON 1
PRACTICE EXERCISE
The following items will test your grasp of the material covered in this lesson. There is only
one correct answer for each item. When you have completed the 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.
1.
What is a radio waves strength or intensity called?
A.
Consecutive Cycles
B.
Complete Wavelength
C.
Its Magnitude
D.
Its Amplitude
2.
What does DF determine the direction of?
A.
Artillery Fire
B.
The arrival of a radio wave
C.
The direction a radio should be pointed for the best reception
D.
The distance of a receiver
3.
What band designator would the frequency 200 MHz be in?
A.
HF
B.
VHF
C.
UHF
D.
SHF
4.
What are the DF results with a range of 1000 miles called?
A.
Approximations
B.
Exact, if enough sites are used
C.
Reliable
D.
An indicator of general direction only
5.
Which of the following is NOT used as a military application of DF?
A.
Positioning of ground forces
B.
Determining order of battle
C.
Location of communications systems
D.
Detection of chemical agents
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IT0302
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