***Communications***

Question 1

What does SOI stand for?

Answer 1

Signal Operation Instructions

FM 24-18 Sept 1987 / 5-1 / PDF 110

Question 2

What does the SOI provide?

Answer 2

The organization of stations into nets
Assigns call signs
Designates Net Control Stations (NCS)
Assigns frequencies
Changes to alternate frequencies
Security Procedures to be used by Radio Operators
(FM 24-18 Sept 1987 / 5-2 / PDF 110)

Question 3

What Field Manual covers Tactical Single-Channel Radio Communications Techniques?

Answer 3

FM 24-18

Question 4

What percent of slack should you allow when laying WD1 wire?

Answer 4

20 percent

Question 5

Which means of communication is least secure?

Answer 5

Radio

Question 6

What are five methods of communication?

Answer 6

1. Radio
2. Sound
3. Visual
4. Messenger
5. Wire

Question 7

Which means of communication is most secure?

Answer 7

Messenger

Question 8

What is COMSEC?

Answer 8

COMmunications SECurity

FM 6-02.45 Apr 2004 / 1-23 / PDF 13

Question 9

What is OPSEC?

Answer 9

OPerations SECurity (FM 6-02.45 Apr 2004 / Glossary / PDF 251)

Question 10

List 5 factors that affect the range of radio equipment?

Answer 10

Weather
Terrain
Antenna
Power
Location

Question 11

What does NCS stand for?

Answer 11

Net Control Station

FM 24-18 Sept 1987 / 5-2 / PDF 110

Question 12

What does MIJI stand for?

Answer 12

Meaconing, Intrusion, Jamming and Interference

FM 24-18 Sept 1987 / 6-6 / PDF 133

Question 13

What is the range of a TA-1 field phone?

Answer 13

Approximately 3.7 miles using field wire

FM 24-24 Dec 1994 / Section 1 / PDF 11

Question 14

How many volts are in a TA-1 field phone when squeezed?

Answer 14

100 volts

Question 15

What is the maximum effective distance of a TA-312 field phone in wet and dry climates?

Answer 15

Wet - 14 miles
Dry -22 miles
(FM 24-24 Dec 1994 / 1 / PDF 15)

Question 16

What does CB, LB, and CBS stand for on a TA-312 field phone?

Answer 16

CB-common battery
LB-local battery
CBS- common battery signaling

Question 17

BA30 batteries should be installed how, in a TA-312 field phone?

Answer 17

1 up 1 down

Question 18

What is WD-1?

Answer 18

Communications field wire

Question 19

What does the “W” and “D” stand for in “WD-1” Wire?

Answer 19

Wire Drum

Question 20

How deep should you dig when laying WD1 wire under hard-packed dirt roads?

Answer 20

6 to 12 inches

Question 21

How deep should you dig WD1 wire in loose or sandy soil?

Answer 21

At least 3 feet

Question 22

How much WD1 wire is on a donut roll (MX306)?

Answer 22

1/2 mile

Question 23

How far beyond each side of the road should wire be buried?

Answer 23

At least 2 ft

Question 24

WD1 wire must be how high above a road crossing?

Answer 24

At least 18 ft

Question 25

How much tape should you use when taping a splice?

Answer 25

At least 4 inches

Question 26

What device is used to enter FH (Frequency Hop) Data info into the SINCGARS?

Answer 26

A MX-10579 ECCM Fill Device

FM 24-18 June 1995 / 11-43 / PDF 150

Question 27

What do the letters AN and PRC stand for?

Answer 27

Army/Navy and Portable Radio Communicator

Question 28

What is an AN/PRC-68?

Answer 28

A type of Squad radio small unit transceiver

Question 29

What is the first thing you do before sending a radio message?

Answer 29

Listen to see if the Net is clear

Question 30

What does SINCGARS stand for?

Answer 30

SINgle Channel Ground/Airborne Radio System

Question 31

How much does the AN/PRC 77 weigh?

Answer 31

About 25 lbs

Question 32

What is the approximate range of the AN/PRC 77?

Answer 32

5 to 8 KM

Question 33

How many channels does the AN/PRC 77 have?

Answer 33

920

Question 34

What type of knot do you use when repairing WD1 wire?

Answer 34

A square knot

Question 35

Most infantry radios are _____ Modulated?

Answer 35

FM

Question 36

What does EPLRS Stand for?

Answer 36

Enhanced Position Location Reporting System

FM 11-41 Dec 1991 / 3-3 / PDF 27