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Military

SS0014 Practice Exercise
Lesson 1: Employment of Tactical Radio Sets

Instructions The following items will test your understanding 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, review that part of the lesson which contains the portion involved.

Situation: You are conducting a training session on tactical radio applications and field expedient antennas.

1.   Which of the following SINCGARS configurations is a retransmission radio?

A. AN/VRC-89.
B. AN/VRC-90.
C. AN/VRC-91.
D. AN/VRC-92.
2.   How can you make your field-expedient long wire antenna unidirectional?

A. Add a counterpoise to the antenna.
B. Add a terminating resistor to the free end.
C. Add a terminating resistor to the radio end.
D. Attach the free end of the antenna directly to ground.
3.   Which of the following units is most likely to require a point-to-point communications system?

A. A supply company making reports to headquarters.
B. A rear element passing radio teletypewritten messages.
C. An armored battalion commander making routine movement reports.
D. A long-range surveillance company making time-critical intelligence reports.
4.   You are constructing a long-wire antenna three wavelengths long to communicate on a channel frequency of 29.274 MHz. How long should you make your antenna?

A. 50.0 feet.
B. 50.4 feet.
C. 100.0 feet.
D. 100.8 feet.
5.   You are using the AN/VRC-43 set to communicate with a special forces unit that is using the AN/PRC-70 set. The unit moves over a large hill, cutting off communications. Which of the following radio sets should you use to reestablish communications with the unit?

A. AN/VRC-46.
B. AN/GRC-106.
C. AN/GRC-125.
D. AN/GRC-160.
6.   While the special forces unit is still on the other side of the large hill, it experiences a failure in its AN/PRC-70 set. Which of the following sets can the unit use to reestablish communications with you?

A. AN/PRT-4A.
B. AN/PRC-25.
C. AN/PRC-74.
D. AN/PRC-77.
7.   You are directed to set up a net radio interface using your AN/VRC-12 series radio. Which of the following pieces of auxiliary equipment should you use to accomplish this?

A. AN/GSA-7.
B. AN/GRA-6.
C. AN/GRC-19.
D. AN/GRA-39B.
8.   While you are in your exercise area, some civilian trucks with citizens' band radios enter your exercise area. Which radio set should you use to inform them that they are in a restricted area?

A. AN/VRC-12.
B. AN/PRC-25.
C. AN/FRC-93.
D. AN/GRC-160.