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ESWS Charles > COMMS > Flashcards

COMMS Flashcards

1
Q

What is VHF and what are the parameters?

A

Very high frequency

• 30-300 MHz (Megahertz)

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2
Q

Where is VHF Found/Used?

A
  • GRC-211x2.
  • VRC -46x2.
  • JHS-32(URC-139)
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3
Q

What is GRC-211x2 (VHF) used for?

A

IAD: Initial Air Distress
MAD: Military Air Distress

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4
Q

VRC-46x2 is used for what?

A

Small boat ops, NSFS

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5
Q

Where do we use JHS-32 (URC-139)?

A

Bridge to Bridge
•1 Master (Bridge)
•1 Slave (Slave)

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6
Q

What is DAMA?

A

Demand Assigned Multiple Access

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7
Q

Pertaining to DAMA how many ports does TD-1271x2 have?

A

TD-1271x2 has 4 ports

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8
Q

MD-1324x2 has ________ as a part of DAMA

A

2- ports

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9
Q

225MHz-3GHz is recognized as what?

A

UHF (Ultra High Frequency)

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10
Q

SA-2112 has two main components what are they?

A
  • V6: Red Sas “Coke Machine” connects End User to Crypto/SB

* V3: Bas “Black Sas” connects Crypto /SB to Radio

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11
Q

What are the 3 End Users?

A
  • TA-970-Red Phone
  • TA-990-Enclosed Red Phone with Weatherproofing
  • ON-740- CIC Console
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12
Q

_______ are the Primary means of receiving and sending message traffic.

A

NAVMACS

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13
Q

1._______ MAKES ALL LINKS WORK it’s also known as 2._______.

A
  1. JTIDS

2. URC-107

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14
Q

3-30GHz is known as ________, it is used as for our primary phone lines and Helo ops, to name a few.

A

SHF(Super High Frequency)

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15
Q

What is SHF used for?

A

WSC-6V9: Primary IP Services/Phone lines

SRQ-4: Helo Ops, Hawklink

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16
Q

Our Primary IP Services / Phone lines are a part of what? (SHF is the frequency but what is the name of the sub system)

A

WSC-6V9

17
Q

SRQ-4 is used for what?

A

Helo Ops, Hawklink

18
Q

What is 2-30MHz considered?

A

HF-High Frequency

19
Q

What sub systems are a part of HF ?

A
  • Transmitter: URT-23D x9
  • Receiver: R-2368 x15
  • Voice and Data (Link)
20
Q

Transmitter URT-23D has SRA COUPLERS what are they?

A
  • SRA-56 there are 8, 2-6Hz
  • SRA-57 there are 4, 4-12Hz
  • SRA-58 there are 4, 10-30Hz
21
Q

What is the Emergency Coupler?

A

URA-38

22
Q

UHF is Ultra High Frequency what is it rated at?

A

225MHz-3GHz

23
Q

WSC-3V7 and WSC-3V11 are UHF apart of what subsystem?

A

Line Of Sight

24
Q

SATCOM is a sub system to what frequency? What are the two lines that are considered SATCOM?

A
  • UHF
  • WSC-3v15 x5
  • WSC-3a
25
Q

HaveQuick is at what frequency allowing for frequency hopping/Anti-Jam?

A

225MHZ-3GHZ UHF

26
Q

At what frequency is it considered to be Extremely High Frequency?

A

30-300GHz

27
Q

WSC-9 also known as Navy Multiband Terminal(NMT), covers all 7 Subcategories what are they?

A
  • EHF
  • SHF
  • Q BAND
  • Ka BAND
  • Secondary IP Services/Phone lines
  • point to point calls ( phone terminals)
  • Nets

ESWS Charles (7 decks)

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