ESWS Combat Systems > Communication > Flashcards

Communication Flashcards

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1
Q

What are Radio Frequencies (RF)?

A

Electromagnetic wave frequencies within a specific range used for wireless communication and broadcasting.

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2
Q

How many different radio frequencies does USS MUSTIN primarily use for external communications?

A

5 different radio frequencies.

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3
Q

What is the frequency range for High Frequency (HF)?

A

3 - 30 MHz.

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4
Q

What is the frequency range for Very High Frequency (VHF)?

A

30 - 300 MHz.

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5
Q

What is the frequency range for Ultra High Frequency (UHF)?

A

300 MHz - 3 GHz.

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6
Q

What is the frequency range for Super High Frequency (SHF)?

A

3 - 30 GHz.

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7
Q

What is the frequency range for Extremely High Frequency (EHF)?

A

30 - 300 GHz.

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8
Q

What is Line of Sight (LOS) Communications?

A

A method of transmitting signals where the transmitter and receiver must be in direct, unobstructed view of each other.

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9
Q

What is the approximate distance for Line of Sight Communications?

A

Approx. 30 NM.

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10
Q

What are Satellite Communications (SATCOM)?

A

Transmitting data between different points on Earth using satellites orbiting the earth.

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11
Q

What types of transmissions are included in Satellite Communications?

A

Voice, video or data circuits.

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12
Q

Who maintains and operates the communications suites onboard?

A

ET’s and IT’s.

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13
Q

What does HFRG stand for?

A

High Frequency Radio Group

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14
Q

What is the nomenclature for HFRG?

A

URC-131

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15
Q

What types of communications can HFRG perform?

A

Secure and unsecured voice using COMSEC devices and data

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16
Q

How many exciters does HFRG have?

A

9 exciters

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17
Q

How many broadband exciters are there in HFRG?

A

8 Broadband Exciters

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18
Q

How many narrowband exciters does HFRG have for Link 11?

A

1 Narrowband Exciter

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19
Q

How many receivers does HFRG have?

A

18 receivers

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20
Q

How many antennas are associated with HFRG?

A

7 associated antennas

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21
Q

What type of antennas does HFRG have on the Aft Missile Deck?

A

2 14’ RECEIVE ONLY tilt whip antennas

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22
Q

What type of antennas are located midships on the forward stacks?

A

2 Broadband 18’ Twin Whip antennas

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23
Q

What is the length of the narrowband whip antenna for Link 11?

A

1 35’ Narrowband whip antenna

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24
Q

What type of antennas does HFRG have on the mast?

A

2 sets of HF fan wires

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25
What does B2B stand for?
Bridge-to-Bridge
26
What type of communication system is B2B?
Commercial off the shelf (COTS) LOS communication system
27
What is the purpose of B2B?
To communicate with other ships with legacy communications equipment and during special evolutions
28
How many B2B stations are onboard?
2 B2B stations
29
Where is one of the B2B stations located?
In the Pilot House
30
Where is the second B2B station located?
In CIC
31
What type of antennas does B2B have?
2 LOS VHF Stovepipe antennas
32
Where are the B2B antennas located?
Port and Starboard Lower Yardarms on the mast
33
What does SINCGARS stand for?
Single Channel Ground and Airborne Radio System ## Footnote Also known as Green Gear.
34
What type of communications does SINCGARS provide?
Single channel and VHF frequency hopping communications ## Footnote Includes secure and unsecured voice and data communications.
35
Where is the SINCGARS antenna located?
On the Portside lower yardarm on the mast ## Footnote It is a VHF LOS Stovepipe Antenna.
36
What is the primary frequency used onboard for communications?
UHF ## Footnote Used for both Line of Sight (LOS) and Satellite Communications (SATCOM).
37
What is the nomenclature for the UHF LOS Suite?
SRC-58
38
How many UHI LOS Transceivers are onboard?
20
39
How many UHF LOS Transceivers are there?
16
40
What are the additional capabilities of the UHF LOS Transceivers?
2 for Havequick (Anti-Jamming) and 2 that are VHF capable
41
What is the function of the Antenna Couplers (OA-9277) in the UHF LOS Suite?
They combine frequency signals from each of the 4 radios to be sent out on one antenna
42
How many UHF Stovepipe Antennas are there?
2 UHF Stovepipes Antennas ## Footnote Located on the Port and Starboard Upper Yardarm.
43
How many UHF Spider Antennas are mentioned?
2 UHF Spider Antennas
44
What is the purpose of the Fleet Broadcast?
Receive only UHF Data Terminal Set used to receive Fleet Broadcast Messages ## Footnote It uses SSR-1 antennas, nicknamed Egg Beaters, with 4 located onboard.
45
How many SSR-1 antennas are onboard for Fleet Broadcast?
4 ## Footnote Locations include: 1 forward of the Pilot House, 1 on Aft Missile Deck behind CIWS, and 1 port and starboard midships.
46
What is the nomenclature for the Digital Modulat Radio?
SRC-61
47
What is the primary function of the Digital Modulat Radio (DMR)?
Primary form of Satellite Communications onboard MUSTIN
48
How many channels does the DMR have on one radio?
4 channels
49
What are the nicknames for the UHF SATCOM Antennas?
Trashcans
50
How many OE-82 Antennas are there?
2
51
Where is one of the OE-82 antennas located?
Forward of the Pilot House
52
Where is the second OE-82 antenna located?
Behind the Pilot House on the Forward Smoke Stacks
53
What types of frequencies are used on the same system?
SHF and EHF
54
What is the nomenclature for the Navy Multiband Terminal?
WSC-9
55
True or False: The MOSS MOD is only for Link I6.
True
56
What type of antenna is used for Fleet Broadcast?
SSR-1 antennas
57
Fill in the blank: The DMR allows for the use of multiple _______ at a time.
UHF SATCOM circuits
58
What does SHF stand for?
Ships Hookup to Eacebook ## Footnote SHF is the primary provider of IP Services, NIPR, and SIPR while underway.
59
What services does SHF provide while underway?
IP Services, Non-Secure Internet Protocol Routing (NIPR), Secure Internet Protocol Routing (SIPR), and Plain Old Telephone System (POTS) lines ## Footnote POTS lines are for off-ship calling during underways.
60
What is the function of EHF?
Secondary Satellite Communications providing jam-resistant, survivable communication capability and backup IP services for SHF ## Footnote EHF serves as a backup for SHF IP services.
61
Where are the EHF antennas located?
Fwd Portside and Aft Starboard side ## Footnote There are 4 antennas enclosed in Radomes above the Pilot House.
62
Where are the SHF antennas located?
Fwd Starboard side and Aft Portside ## Footnote SHF antennas are part of the four antennas above the Pilot House.
63
What is the nomenclature for the Commercial Broadband Satellite Program?
USC-69 ## Footnote CBSP is a SMF capable radio system onboard.
64
What is the purpose of the CBSP?
Backup system in case NMT is lost ## Footnote CBSP provides communication capabilities when other systems fail.
65
Where is the CBSP antenna located?
Antenna enclosed in a Radome above the Pilot House Aft Portside ## Footnote This antenna serves as a backup communication system.
66
What is the purpose of patching equipment?
Connects radios and external crypto devices to phones, consoles, and controlling stations ## Footnote Allows communications circuits to be used by anyone onboard.
67
What is the nomenclature for the Secure Audio Switch?
SA-2112 ## Footnote It is nicknamed the Coke Machine.
68
What are the features of the RED SAS?
Modular, high speed, full duplex audio switch interconnecting 108 users to 66 pieces of equipment ## Footnote Provides automatic interconnection and patches Crypto to Red phones (TA-270).
69
What does NIPR stand for?
Non-secure Internet Protocol Routing
70
What is the nomenclature of the Tactical Variant Switch?
USQ-155
71
What does the Tactical Variant Switch support?
Connection of wideband ports
72
How is the Tactical Variant Switch controlled?
Remotely by computer software
73
What does the Black TVS patch?
Radios to Crypto
74
What is the nomenclature of the Integrated Voice Communications System?
STC-3A
75
What is the primary function of the Integrated Voice Communications System (IVCS) on MUSTIN?
Internal telephone system for making phone calls between spaces on the ship
76
Can the IVCS make off-ship telephone calls?
Yes
77
How many IVCS equipment racks are on board MUSTIN?
Two
78
What do the Fwd IC & Gyro Equipment rack control?
All ODD Numbered IVCS phones
79
What do the Aft IC & Gyro Equipment rack control?
All EVEN Numbered IVCS phones
80
What is the Digital Announcing System (DIAS) more commonly known as?
1MC
81
What is the purpose of the Digital Announcing System onboard MUSTIN?
Quick communications to notify the crew of events, evolutions, or casualties
82
How many equipment racks does the DIAS have?
Two
83
Where are the DIAS equipment racks located?
Fwd and Aft IC & Gyro rooms
84
What is the function of the 1MC?
Communication for the entirety of the ship
85
What does the 8MC serve?
Engineering spaces only
86
What is the purpose of the 5MC?
For the flight deck and hangar bays for flight ops
87
What is the function of the 23MC?
For the Fwd and Aft DECON stations
88
The Digital Announcing System has redundancy; how does this work?
One rack is in control at a time
89
Fill in the blank: The Integrated Voice Communications System can make phone calls between _______.
spaces around the ship
90
True or False: The DIAS serves only one purpose onboard MUSTIN.
False
91
What does SIWCS stand for?
Shipboard Integrated Wireless Communications System ## Footnote SIWCS is used for quick wireless communications on the ship.
92
What is the primary use of SIWCS?
Quick wireless communications for watchstanding, major evolutions, or casualties ## Footnote SIWCS facilitates communication among crew members.
93
How many SIWCS repeaters are there around the ship?
8 repeaters ## Footnote These repeaters ensure full ship communication coverage.
94
Where is one of the SIWCS repeaters located?
Director Room 1 ## Footnote Other locations include Repair 2, Repair 3, Repair 5, and Aft Chem.
95
What does GEDMS stand for?
Gigabit Ethernet Data Multiplex System ## Footnote GEDMS is a shipboard networking hardware system.
96
What is the purpose of GEDMS?
Provides a high-speed, reliable, and redundant network backbone ## Footnote It transfers mission-critical data for various ship systems.
97
How many Input/Output Units (IOUs) are part of GEDMS?
29 IOUs ## Footnote These are spread throughout the ship.
98
Who maintains the GEDMS?
4th Generation Maintenance Group (4GMG) ## Footnote The equipment rack is located in Aft IC & Gyro.
99
What are Tactical Data Links (TDLs)?
A form of communication used to exchange real-time tactical information ## Footnote TDLs connect different platforms like ships, aircraft, and ground stations.
100
Who operates the Link systems?
OS's and IT's ## Footnote They are also maintained by the ET's.
101
What is the role of Link in military operations?
Enables rapid and secure exchange of tactical data ## Footnote It enhances situational awareness and target coordination.
102
Name one of the five main TDLs used onboard.
Link 11 ## Footnote Other TDLs include Link 16, STI, MTI, and UT.
103
What type of link is Link 16?
UHF LOS Link using MOS MOD (URC-154) ## Footnote It is one of the primary TDLs used onboard.
104
Fill in the blank: Link is used to exchange _______ tactical information.
real-time ## Footnote This includes radar track information and sensor data.
105
What type of communication does STJ represent?
UHF SATCOM Link using DMR ## Footnote STI is one of the main TDLs onboard.
106
What is the primary use of MTJ?
EHF primary Link using NMT ## Footnote MTI serves as a crucial communication link.
107
What does UTJ stand for in the context of TDLs?
SHF primary Link using MT ## Footnote UT is another key communication link used onboard.
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