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