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ESWS > External Comms > Flashcards

External Comms Flashcards

1
Q

What are the frequency ranges of:

High Frequency
Very High Frequency
Ultra High Frequency
Super High Frequency
Extremely High Frequency

A

High Frequency: 3-30MHz

Very High Frequency: 30-300MHz

Ultra High Frequency: 300MHz - 3GHz

Super High Frequency: 3 - 30GHz

Extremely High Frequency: 30-300 GHz

“Happy Vegetables Use Soap Everyday”

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2
Q

What is the range of HF Beyond Line of Sight

A

Hundreds to thousands of NM

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3
Q

What is the range of UHF Line of Sight

A

25-30nm

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4
Q

What is the primary IP service for web browsing, email, and POTS?

A

SHF

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5
Q

What is the secondary IP service?

A

EHF

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6
Q

Explain how the ship gets IP services from satellites to computers

A

Satellite sends/receives signal via SHF, EHF or GBS to WSC-9 cables

Sends to ADNS/Routers

-> Network Switches

-> Network Servers

-> Network Switches

-> Computer

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7
Q

How many LOS receivers are there?

A

14 LOS

2 have quick frequency hop

(25-30nm)

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8
Q

What are SAS and BAS?

A

Switching units that connect various voice/data devices, transmitters/receivers, and transceivers to complete a circuit and connect circuits to red phones throughout the ship.

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9
Q

What are the primary, secondary and tertiary message traffic methods?

A

Primary: Command and Control Official Information Exchange System (C2OIX)

Secondary: Common User Digital Information Exchange Subsystem (CUDIXS)

Tertiary: Fleet Broadcast Circuit utilizing “egg beater” antennas

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10
Q

Define RF

A

Radio Frequency

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11
Q

Define OPSECON

A

Operational Security Condition

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12
Q

Define EAP

A

Emergency Action Plan

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13
Q

Define GBS

A

Global Broadcast Service

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14
Q

Define IP

A

Internet Protocol

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15
Q

Define ADNS

A

Automated Digital Networking System

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16
Q

Define CWO

A

Communications Watch Officer

17
Q

Define NAVMACS

A

Naval Modular Automated Communications System

18
Q

Define NMT

A

Navy Multiband Terminal

19
Q

Define CUDIXS

A

Common User Digital Information Exchange Subsystem

20
Q

Define C2OIX

A

Command and Control Official Information Exchange

21
Q

Define FACCON

A

Facilities Control

ESWS (12 decks)

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