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Communications
Posted: Thursday, March 5, 2009
1.
What does SOI stand for?
Signal Operation Instructions
(FM 24-18 Sept 1987 / 5-1 / PDF 110)
2.
What does the SOI provide?
- 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)
3.
What Field Manual covers Tactical Single-Channel Radio Communications Techniques?
FM 24-18
4.
What percent of slack should you allow when laying WD1 wire?
20 percent
5.
Which means of communication is least secure?
Radio
6.
What are five methods of communication?
- Radio
- Sound
- Visual
- Messenger
- Wire
7.
Which means of communication is most secure?
Messenger
8.
What is COMSEC?
COMmunications SECurity
(FM 6-02.45 Apr 2004 / 1-23 / PDF 13)
9.
What is OPSEC?
OPerations SECurity
(FM 6-02.45 Apr 2004 / Glossary / PDF 251)
10.
List 5 factors that affect the range of radio equipment?
- Weather
- Terrain
- Antenna
- Power
- Location
11.
What does NCS stand for?
Net Control Station
(FM 24-18 Sept 1987 / 5-2 / PDF 110)
12.
What does MIJI stand for?
Meaconing, Intrusion, Jamming and Interference
(FM 24-18 Sept 1987 / 6-6 / PDF 133)
13.
What is the range of a TA-1 field phone?
Approximately 3.7 miles using field wire
(FM 24-24 Dec 1994 / Section 1 / PDF 11)
14.
How many volts are in a TA-1 field phone when squeezed?
100 volts
15.
What is the maximum effective distance of a TA-312 field phone in wet and dry climates?
- Wet - 14 miles
- Dry -22 miles
(FM 24-24 Dec 1994 / 1 / PDF 15)
16.
What does CB, LB, and CBS stand for on a TA-312 field phone?
- CB-common battery
- LB-local battery
- CBS- common battery signaling
17.
BA30 batteries should be installed how, in a TA-312 field phone?
1 up 1 down
18.
What is WD-1?
Communications field wire
19.
What does the "W" and "D" stand for in "WD-1" Wire?
Wire Drum
20.
How deep should you dig when laying WD1 wire under hard-packed dirt roads?
6 to 12 inches
21.
How deep should you dig WD1 wire in loose or sandy soil?
At least 3 feet
22.
How much WD1 wire is on a donut roll (MX306)?
1/2 mile
23.
How much WD1 wire is on a DR8 reel?
1/4 mile
24.
How far beyond each side of the road should wire be buried?
At least 2 ft
25.
WD1 wire must be how high above a road crossing?
At least 18 ft
26.
How much tape should you use when taping a splice?
At least 4 inches
27.
What device is used to enter FH (Frequency Hop) Data info into the SINCGARS?
A MX-10579 ECCM Fill Device
(FM 24-18 June 1995 / 11-43 / PDF 150)
28.
What do the letters AN and PRC stand for?
Army/Navy and Portable Radio Communicator
29.
What is an AN/PRC-68?
A type of Squad radio small unit transceiver
30.
What is the first thing you do before sending a radio message?
Listen to see if the Net is clear
31.
What does SINCGARS stand for?
SINgle Channel Ground/Airborne Radio System
32.
How much does the AN/PRC 77 weigh?
About 25 lbs
33.
What is the approximate range of the AN/PRC 77?
5 to 8 KM
34.
How many channels does the AN/PRC 77 have?
920
35.
What type of knot do you use when repairing WD1 wire?
A square knot
36.
Most infantry radios are _____ Modulated?
FM
37.
What does EPLRS Stand for?
Enhanced Position Location Reporting System
(FM 11-41 Dec 1991 / 3-3 / PDF 27)
