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Comms > Comms - 15 - 16 Communication Networks > Flashcards

Comms - 15 - 16 Communication Networks Flashcards

1
Q

Review Questions

What are the three main propagation paths for radio waves and which one is used for long range comms?

A

Ground wave
Tropospheric Wave Ducting
Sky Wave - Used for long range comms

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2
Q

Review Questions

What effect does the ionosphere have on radio waves?

A

Radio waves change velocity as they travel through the ionosphere causing them to bend (refract) back to earth.

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3
Q

What is a communication network? For 402 Sqn purposes, what does it enable?

A

A chain of interconnected persons, operations, or devices enabling communication

Enables radio communications

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4
Q

What is an NCS? What does it do?

A

One member of the chain is designated as the Net Control Station (NCS), it controls the network.

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5
Q

Define a Free Network

A

The NCS authorizes member stations to transmit to each other without obtaining prior permission.

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6
Q

Define Directed Network. What types of messages does it apply to?

A

NCS permission required for member stations to communicate with each other

Keeps traffic to a minimum during exercises or wartime

Applies to all messages except Flash

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7
Q

What usually acts as the NCS in an Operational Theatre?

A

AWACS

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8
Q

What does AWACS stand for? How do they interact with a Controlling Agency?

A

Airborne Warning And Control System.

They relay comms to the Controlling Agency if out of range.

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9
Q

_____ also control the net for Data Link usage acting as NCS.

A

AWACS

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10
Q

What are the five methods of transmitting data?

A 
Audio
Teletype (Morse)
Facsimile (FAX)
Video/ computer
Data link
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11
Q

What does a Tactical Network deal with?

A

Control of weapons
Early Warning Systems
Aircraft Movement and Control
Local Command Nets

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12
Q

What is a strategic network, what can it deal with and when is it required?

A

It is generally global in nature with far reaching operations

Can deal with a wide range of traffic

May be required to inter-operate with other strategic networks

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13
Q

Callsigns are used to what?

A

Used to address aircraft or communication stations and delineate one station/ aircraft from another.

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14
Q

What are the two types of callsigns?

A

File (Int’l/ Admin)

Tactical

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15
Q

What might the file callsign be?

A

The aircraft tail registration or a particular assigned codeword

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16
Q

When is a File callsign used?

A

Used on flight plans
Used to talk to ATC
Used on military nets that are for admin purposes

17
Q

When are tactical callsigns used? Are they temporary?

A

Used on tactical nets only, may be permanent or temporary.

18
Q

What are the HF communication networks?

A

CF Military Comms Systems (MACS/ MCCS)
402 in-house network (pipeline)
USAF Global Comms network

19
Q

What does MACS stand for? What does it provide?

A

Military Aeronautical Communications System

Provide non-tactical air/ground/air comms to CF and allied aircraft

20
Q

How many ground stations does MACS comprise of? Where are they?

A

3

Trenton
Edmonton (run remotely through Trenton)
St John’s (run remotely through Trenton)

21
Q

All three MACS stations monitor which frequencies?

A

9007, 11232 and SAR 5717

22
Q

Are HF/DF services provided by MACS in Canada? If not, who provides them?

A

No, DF services provided by the comm center, CFS Leitrim (Ontario)

23
Q

What is Maritime Command Communications System (MCCS) used for?

A

Primarily for tactical comms but can still be used for non-tactical traffic

24
Q

What are the two ground stations located for MCCS?

A

Halifax, NS and Esquimalt, BC

25
Q

What are the systems/ capabilities of MCCS?

A

CRATT (Covered Teletype)
HF clear voice
Halifax has UHF
Datalink

26
Q

MCCS can use what type of callsigns? What kind of designators?

A

Tactical and file callsigns

Also use frequency designators

27
Q

What is the 402 HF System callsign?

A

Pipeline (CHZ)

28
Q

Review Questions

What type of comm traffic does MCCS handle?

A

HF tactical and administrative

29
Q

Review Questions

What publication contains information about the USAF global system?

A

DoD FIH

30
Q

Review Questions

Where would you find the frequencies for MACS Trenton?

A

GPH 205 pg E13

31
Q

Review Questions

How many MACS stations are there and where are they located?

A

Edmonton (remoted to Trenton)
Trenton
St John’s (remoted to Trenton)

Comms (9 decks)

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