Range Exstension

Question 0

Capabilities of MICS?

Answer 0

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

Question 1

What is retrans?

Answer 1

Joins 2 nets with different crypto

Question 2

What is talk through?

Answer 2

Simply range extension with black mbitrs

Question 3

Explain a simplex channel?

Answer 3

Tx and Rx is the same freq

Can’t talk at the same time

Question 4

What is a dual simplex channel?

Answer 4

Tx and Rx are different freq

Can talk on the same net at the same time

Question 5

What does trimars stand for and what is its capabilities?

Answer 5

Tri-mode rebro system

Rebro
Talk through
Vehicles

Question 6

What capabilities does a 117F give?

Answer 6

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

Question 7

What does MICS stand for?

Answer 7

Mobile integrated communications system

Question 8

Capabilities of MRC 200

Answer 8

20w, 20km, TT

Question 9

Dump bag capabilities?

Answer 9

5w, Repeater, TT

Question 10

What does TRIMRS stand for?

Answer 10

TRI MODE Rebro system

Question 11

TRIMRS capabilities?

Answer 11

TT, Rebro system, 20w, 20km

Question 12

An/Prc117F Capabilities?

Answer 12

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

Question 13

What is range extension?

Answer 13

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

Question 14

Why is range extension required?

Answer 14

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

Question 15

What is retrans/rebro?

Answer 15

Two radios on individual networks normally two separate frequency

Question 16

What is a simplex channel?

Answer 16

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

Question 17

What is a half duplex channel?

Answer 17

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

Question 18

What crypto do the radios in the MRC 200 require?

Answer 18

None

Question 19

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

Answer 19

Rebro

Question 20

What kind of retrans is the MRC 200?

Answer 20

Black

Question 21

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

Answer 21

White

Question 22

What 2 aircraft can UKSF fit the MICS crate to?

Answer 22

C-130, CH-47

Question 23

Describe a red retrans?

Answer 23

Both sides are different crypto States

Question 24

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

Answer 24

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

Question 25

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

Answer 25

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

Question 26

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

Answer 26

The frequencies

Question 27

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?

Answer 27

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

Question 28

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

Answer 28

Rx only

Question 29

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

Answer 29

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

Question 30

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

Answer 30

Blue

Question 31

What is a dual frequency simplex channel?

Answer 31

Channel that Rx on one frequency and Tx on another

Question 32

What are the modes of the TRI-MRS

Answer 32

Vehicle, talk through and rebro

Question 33

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

Answer 33

RB

Question 34

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

Answer 34

100w

Question 35

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

Answer 35

To connect UKSF radios into the airframes antennas. Range extension. Mobile Intergrated Communications System

Question 36

How many batteries does the MRC use?

Answer 36

3

Question 37

Duplexer frequencies?

Answer 37

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