Chapter 3 Flashcards
What is the most common means of communication? (Page 3-3)
Voice
What is the primary means of communication in all tactical, on- the-move operations? (Page 3-3)
Radio
Who is responsible for the installation, operation, and maintenance of the company communications system and for its efficient operation as part of the command system? (Page 3-3)
Company Commander
What are the primary means of communication for offensive combat and for other operations involving rapid or extensive movement? (Page 3-3)
Radio and messengers
What radio is also known as the Single Channel Ground and Airborne Radio System (SINCGARS) radio? (Page 3-5)
AN/PRC-119
The SINCGARS is an FM radio that operates on what range on Very High Frequency (VHF) spectrum? (Page 3-5)
30-87.95 MHz
What is the heart of the SINCGARS radio? (Page 3-6)
RT
What is the operational range of the AN/VRC-90D radio set? (Page 3-9)
30 miles Line of Site (LOS)
What radio provides units with state of the art High Frequency (HF) radio capabilities in support of fast moving, wide area operations? (Page 3-10)
AN/PRC-150
What is designed to act as the transmission means for a range of command, control, and communications input devices (both digital data and analog)? (Page 3-11)
AN/PRC-117F
Up to how many LOS fixed frequency or dedicated SATCOM radio voice operation nets can the AN/PRC-117F scan? (Page 3-12)
10
The AN/PRC-117F can send data transmission rates of 56 kbps through SATCOM and how many kbps ground-to-ground LOS? (Page 3-13)
64
What multiband handheld radio is a tactical transceiver designed for use by military and agency personnel requiring Type-I NSA certified secure voice and data communications? (Page 3-13)
AN/PRC-152
The AN/PRC-152 frequency range is continuous from 30 MHz to how many MHz? (Page 3-13)
512
The AN/PRC-152 can support up to how many programmable system presets containing user-specified frequencies and operating parameters? (Page 3-13)
99
The Radio Set Control Group AN/GRA-39 provides the capability of remotely controlling a radio set up to a distance of how many miles using standard field wire? (Page 3-14)
2
What EKMS facilities serve as focal points for the production, management, and distribution of service-unique electronic cryptographic key and materials? (Page 3-17)
Tier 1
What integrates cryptonet planning, Electronic Protection (EP) distribution, and SOI generation, management, and distribution? (Page 3-17)
ACES workstations
What is a system of data communications gateways and servers interconnected with one another and their subscribers via a combination of common user long-haul transmission systems organic to the Marine Corps and Navy Operating forces, local area networks, single channel radios, multi-channel communications, and the switched telephone system? (Page 3-18)
TDN
The TDN server supports up to how many users? (Page 3-20)
48
TDN gateways are deployed at the MEF and what other level? (Page 3-20)
MSC
What system is a SATCOM tracking and communication system that provides the commander eyes on the friendly forces and the ability to send and receive text messages? (Page 3-20)
Blue Force Tracking (BFT)
What antenna provides Near-Vertical Incidence Skywave (NVIS) propagation for short-range radio circuits? (Page 3-22)
AS-2259/GR HF
What is the frequency range of the AS-2259 HF antenna? (Page 3-22)
2-30 MHz
The TR-72 Dipole Half-Wave Antenna is used on short-and medium-length sky wave paths (up to approximately how many miles)? (Page 3-22)
1,200
What is a foldable, manpack, high-gain, UHF SATCOM antenna designed for special missions where portability and high gain are required? (Page 3-24)
A V-2040
The TA-312/PT telephone set has facilities for operating push-to- talk radio circuits and a range of how many miles? (Page 3-25)
14-22
How many operational modes does the TA-838A telephone system have? (Page 3-27)
Seven
What frequency range does the TA-838A telephone set operate on? (Page 3-27)
300 to 3,500 Hz
How many interconnecting voice frequency circuits does the SB- 22/PT telephone switchboard have? (Page 3-28)
12
What is a communication sent by one station and intended for reception by another station or stations? (Page 3-31)
Transmission
What is a word, or combination of words, intended for transmission by voice means that identifies the command, unit, or authority of the radio station? (Page 3-31)
Call sign
What is the radio station appointed by higher authority to direct and control the operation and flow of all traffic handled on the radio net? (Page 3-31)
Net Control Station
What term refers to a pronounceable word or phrase that has been assigned to speed up message handling on radio nets that use radio and telephone? (Page 3-31)
Proword
How many precedence designations are used in handling radio messages? (Page 3-34)
Four
What type of information is prohibited from being transmitted in the clear? (Page 3-36)
Essential Elements of Friendly Information (EEFI)
The EEFI system is a code that allows us to notify one another of a security breach that has occurred over a circuit. What term is used to identify a violation of this type? (Page 3-37)
BEADWINDOW
What is the only response to a BEADWINDOW? (Page 3-37)
ROGER OUT
What is the backbone of the rifle company communication system and is a backup for both the wire and radio systems? (Page 3- 37)
Messenger service
