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37 Cards in this Set

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