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  1. What does SOI stand for?
    Signal Operation Instructions
  2. What does the SOI provide?
    • The organization of stations into nets
    • Assigns call signs
    • Designates
    • Net Control Stations (NCS)
    • Assigns frequencies
    • Security Procedures to be used by Radio Operators
  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?
  6. What are five methods of communication?
    • 1. Radio
    • 2. Sound
    • 3. Visual
    • 4. Messenger
    • 5. Wire
  7. Which means of communication is most secure?
  8. What is COMSEC?
    COMmunications SECurity
  9. What is OPSEC?
    OPerations SECurity
  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
  12. What does MIJI stand for?
    Meaconing, Intrusion, Jamming and Interference
  13. What is the range of a TA-1 field phone?
    Approximately 3.7 miles using field wire
  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
  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
  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?
  35. What type of knot do you use when repairing WD1 wire?
    A square knot
  36. Most infantry radios are _____ Modulated?
  37. What does EPLRS Stand for?
    Enhanced Position Location Reporting System

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2012-04-14 15:21:24
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