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SFC > Range Exstension > Flashcards

Range Exstension Flashcards

0
Q

Capabilities of MICS?

A

100w, 100km range, talk thru mode, retrans mode,

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1
Q

What is retrans?

A

Joins 2 nets with different crypto

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2
Q

What is talk through?

A

Simply range extension with black mbitrs

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3
Q

Explain a simplex channel?

A

Tx and Rx is the same freq

Can’t talk at the same time

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4
Q

What is a dual simplex channel?

A

Tx and Rx are different freq

Can talk on the same net at the same time

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5
Q

What does trimars stand for and what is its capabilities?

A

Tri-mode rebro system

Rebro
Talk through
Vehicles

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6
Q

What capabilities does a 117F give?

A

Can connect two nets with different fills /crypto into a rebro

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7
Q

What does MICS stand for?

A

Mobile integrated communications system

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8
Q

Capabilities of MRC 200

A

20w, 20km, TT

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9
Q

Dump bag capabilities?

A

5w, Repeater, TT

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10
Q

What does TRIMRS stand for?

A

TRI MODE Rebro system

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11
Q

TRIMRS capabilities?

A

TT, Rebro system, 20w, 20km

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12
Q

An/Prc117F Capabilities?

A

Rebro, join 2nets with different crypto, 20w, 20 km

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13
Q

What is range extension?

A

Use of fixed or mobile repeater system to overcome the range limitations

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14
Q

Why is range extension required?

A 
Insufficient quantities of equipment
Range limitations
Terrain factors
Incompatible equipment
Freq and comsec management problems
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15
Q

What is retrans/rebro?

A

Two radios on individual networks normally two separate frequency

16
Q

What is a simplex channel?

A

Rx and Tx same frequency both radios cant talk at the same time

17
Q

What is a half duplex channel?

A

Rx and Tx frequency different but can talk at the same time.

18
Q

What crypto do the radios in the MRC 200 require?

A

None

19
Q

In what mode would you use the TRI MRS in to provide tacsat?

A

Rebro

20
Q

What kind of retrans is the MRC 200?

A

Black

21
Q

What colour filter would you use in the MRC 200/TRI-MRS using 140 - 150 mhz ish?

A

White

22
Q

What 2 aircraft can UKSF fit the MICS crate to?

A

C-130, CH-47

23
Q

Describe a red retrans?

A

Both sides are different crypto States

24
Q

Which radio on the MICS is used through the 100w amp? And why is this the case?

A

Tacsat radio/ only the tacsat a/e can withstand the power

25
Q

What are the security implications of leaving a red retrans on a hill top unmanned ?

A

The radio is encrypted and can’t be left alone on a hill

26
Q

When using the MRC 200 what would be the key factors affecting the choice of what filter to use ?

A

The frequencies

27
Q

If you were tasked by your Yofs to link a LOS net on a the 486t to a tacsat net which is using 256 what piece of equipment would you use and what would you need?

A

Red retrans
Retrans cable
2* 117f
DMC 120 and broadband A/E

28
Q

When using a black retrans what must the Rx radio be set to?

A

Rx only

29
Q

Explain in your own words why UKSF use the MICS crate and what MICS stands for?

A

To connect UKSF radios into airframes antennas. Range extension. Mobile integrated communications system

30
Q

What colour filter would you use in in the MRC 200/TRI-MRS if working between the freq range 140-160 MHz

A

Blue

31
Q

What is a dual frequency simplex channel?

A

Channel that Rx on one frequency and Tx on another

32
Q

What are the modes of the TRI-MRS

A

Vehicle, talk through and rebro

33
Q

In what mode would you use the TRI-MRS to provide LOS TACSAT?

A

RB

34
Q

What is the max power of the HPA on the MICS power crate?

A

100w

35
Q

Explain in your own words why UKSF use the MICS crate and what MICS stands for?

A

To connect UKSF radios into the airframes antennas. Range extension.

Mobile Intergrated Communications System

36
Q

How many batteries does the MRC use?

A

3

37
Q

Duplexer frequencies?

A 
RED 36 to 65 use the tactical dual band antenna
Blue 140 - 160
Green - 266-294
yellow - 406 to 442
Orange 442-470

SFC (14 decks)

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