May 6, 2017

Communications

37 cards
, 2 answers
    • What does SOI stand for?
       . . . 
      Signal Operation Instructions.
      (FM 24-18 Sept 1987 / 5-1 / PDF 110)

      • 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)

        • What Field Manual covers Tactical Single-Channel Radio Communications Techniques?
           . . . 
          FM 24-18.

          • What percent of slack should you allow when laying WD-1 wire?
             . . . 
            20 percent.

            • Which means of communication is least secure?
               . . . 
              Radio.

              • What are five methods of communication?
                 . . . 
                1. Radio.
                2. Sound.
                3. Visual.
                4. Messenger.
                5. Wire.

                • Which means of communication is most secure?
                   . . . 
                  Messenger.

                  • What is COMSEC?
                     . . . 
                    Communications Security.
                    (FM 6-02.45 Apr 2004 / 1-23 / PDF 13)

                    • What is OPSEC?
                       . . . 
                      Operations Security.
                      (FM 6-02.45 Apr 2004 / Glossary / PDF 251)

                      • List five factors that affect the range of radio equipment?
                         . . . 
                        1. Weather
                        2. Terrain
                        3. Antenna
                        4. Power
                        5. Location

                        • What does NCS stand for?
                           . . . 
                          Net Control Station.
                          (FM 24-18 Sept 1987 / 5-2 / PDF 110)

                          • What does MIJI stand for?
                             . . . 
                            Meaconing.
                            Intrusion.
                            Jamming.
                            Interference.
                            (FM 24-18 Sept 1987 / 6-6 / PDF 133)

                            • 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)

                              • 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.
                                  (FM 24-24 Dec 1994 / 1 / PDF 15)

                                  • 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 WD-1 wire under hard-packed dirt roads?
                                             . . . 
                                            6 to 12 inches.

                                            • How deep should you dig WD-1 wire in loose or sandy soil?
                                               . . . 
                                              At least 3 feet.

                                              • How much WD-1 wire is on a donut roll (MX306)?
                                                 . . . 
                                                ½ mile.

                                                • How much WD-1 wire is on a DR-8 reel?
                                                   . . . 
                                                  ¼ mile.

                                                  • How far beyond each side of the road should wire be buried?
                                                     . . . 
                                                    At least 2 feet.

                                                    • WD-1 wire must be how high above a road crossing?
                                                       . . . 
                                                      At least 18 feet.

                                                      • 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.
                                                          (FM 24-18 June 1995 / 11-43 / PDF 150)

                                                          • 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?
                                                                         . . . 
                                                                        920.

                                                                        • What type of knot do you use when repairing WD-1 wire?
                                                                           . . . 
                                                                          A square knot.

                                                                          • Most infantry radios are  . . . 
                                                                            FM
                                                                            Modulated?
                                                                            • FM | AM

                                                                          • What does EPLRS Stand for?
                                                                             . . . 
                                                                            Enhanced Position Location Reporting System.
                                                                            (FM 11-41 Dec 1991 / 3-3 / PDF 27)

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