106 Communications

Question 1

What is the purpose and contents of the CEOI?

Answer 1

• Communication Electronic Operating Instructions

- controlling document that gives Frequencies, Alt Freq., Crypto & Callsigns

Question 2

What are some Circuit Discipline and techniques for hand held Radio Communications?

Answer 2

• Assume everything is being intercepted
• Keep transmissions short and concise as possible
• Stick to operating procedures
• Listen before transmitting
• Speak Clearly and distinctly
• Speak Slowly, allow operator to take down
• Use Standard Punctuation
• Use Strong voice to, override inaudible
• Pause after normal phrase

Question 3

What are the 3 Types of Circuits and Nets

Answer 3

Tactical - Short Range/Long Range. UHF, Low pwr LOS

Directed - Need Permission from Net Control Station. except for FLASH Message

Free - don’t need permission

Question 4

General characteristics, operation, & antenna systems of: AN/PRC-148

Answer 4

• UHF/VHF LOS Freq. 30-512 Mhz
• SATCOM capable
• Freq. Hopping Modes: Havequick/SINCGARS

-max output power 5 watts & embedded encryption

Question 5

General characteristics, operation, & antenna systems of: AN/PSC-5D

Answer 5

• UHF/VHF SATCOM/LOS manpack radio
• Freq Range: 30-512 Mhz
• embedded encryption
• Freq. Hopping Modes: Havequick/SINCGARS
• 20 watts max power
• DAMA SATCOM capable

Question 6

General characteristics, operation, & antenna systems of: AN/PRC-117 F

Answer 6

-Advanced multimission manpack radio
-Freq Range: 30-512 Mhz
-DAMA SATCOM capable
-embedded encryption
-Freq. Hopping Modes: Havequick I/II ECCM
and SINCGARS ESIP

Question 7

General characteristics, operation, & antenna systems of: AN/PRC-150 (C)

Answer 7

• HF
• Freq range: 1.6 to 59.999 Mhz
• LOS manpack radio, which provides tactical comms through secure voice/data
  
  • low (1.0 watt)
  • med (5.0 watt)
  • high (20 watt)
• embedded encryption

Question 8

General characteristics, operation, & antenna systems of: PRQ-7

Answer 8

Hand Held Survival Radio

• 24 Hrs
  
  • LOS
  • Beacon
  • GPS
  • 2-way comms
  • low provability Intercept/Detection
  • global coverage
  • over-the-horizon messaging

Question 9

General characteristics, operation, & antenna systems of: Bridge to Bridge/Marine VHF

Answer 9

Transmitter/Receiver

• Standard international freqs.
• Range: 156 to 174 Mhz

Question 10

General characteristics, operation, & antenna systems of: IRIDIUM PHONE

Answer 10

• handheld satellite phone

- larger than a cellphone, small enough to carry in a backpack

Question 11

General characteristics, operation, & maintenance of: DAGR

Answer 11

• GPS (position, velocity, time)
• up to 999 waypoints
• resists jamming
• resists spoofing
• downloadable GUI maps

Question 12

General characteristics and capabilities of communications assets: JBS

Answer 12

Joint Base Station (TSC-135 V2D)

• 2 HF Circuits
• 12 VHF/SATCOM circuits
• Converges voice data functions and radio control into integrated system.
• Operating on a Network

Question 13

General characteristics and capabilities of communications assets:

• SDN-TCV (SOF Deployable Node - Transit Case Variant)
• SDN - Medium
• SDN - Lite

Answer 13

TCV
-1 Mb capable SHF Terminal

Medium
-2 Mb capable SHF Terminal

Lite
-64k capable INMARSAT Terminal

Question 14

General Characteristics of GBS

Answer 14

Global Broadcasting Service

• Provides high speed one way info to the war-fighter
• Up to 23.5 Mbps Down (CNN/FOX/WEATHER)

Question 15

Discuss characteristics and capabilities of MOBILE COMMUNICATIONS

Answer 15

Provide comms support to SEAL Teams SDV’s & SVT (Special Boat Teams)

• Organize Training & Implementing
• Preparing, Implementing & reviewing communications plans.

Question 16

Describe “Alternate” methods of communications: Messenger and Whistle

Answer 16

Messenger - written, can be oral “what, when, where”

Whistle - Rule of “3’s”

- Attention to Orders
      - 1 short blast
- Cease Fire - one long blast
- Hostile Aircraft / Mechanized Vehicle
      - 3 Long Blasts

Question 17

Describe “Alternate” methods of communications: Special Signals and Hand Signals

Answer 17

Special Signals

• Rifle shots
• IR Strobes
• IR Buzzsaw
• Smoke Flare
• Have to be determined

Hand Signals - Arm and Hand signals

• Leaders must repeat signals to their units
• Leaders must remember that these are an order of command

Question 18

Explain how to receive, use and safeguard EKMS material: Responsibilities and Training Requs

Answer 18

Responsibilities:
-U.S. Citizen
-Commisioned Officer
-E6 or above
GS-7 or above
*-Security clearance equal to or higher the material
-appointed by the CO

Training Reqs:
-Attend NAVY EKMS Manager COI

Question 19

Explain use and safeguard EKMS material: Storage Requirements and Receipt Requirements

Answer 19

Storage Reqs:

• TPI - Two person Integrity
• TPI - Storage two Combos, 1 person knows one

Receipt Reqs:

• COMSEC (Inventory) SF 153
• Reports (Accounting) Transaction Logs

Question 20

Routine and Emergency destruction: What are the two types mean?

Answer 20

Routine
-done when material has fulfilled its purpose

Emergency
-done when in a compromised situation within 12 hours of receipt of notification