Block 7 Unit 1

Question 1

Provides air to air, air to ground and ground to ground communication

Answer 1

Ultra high frequency

Question 2

What radio system does UHF use

Answer 2

Arc 164

Question 3

What is electronic counter counter measures or anti-jamming via frequency hopping known as

Answer 3

Have quick

Question 4

What is the standard radio for US military use

Answer 4

Arc 164 UHF

Question 5

What is known as the primary radio

Answer 5

Command radio

Question 6

To substitute you or modernize parts

Answer 6

Retrofit

Question 7

This is the sample of the transmit a signal fed back to the headset

Answer 7

Sidetone

Question 8

Type of sidetone that is a sample of amplitude modulated RF signal

Answer 8

True side tone

Question 9

Type of sidetone that is a sample Audio signal before it’s modulated on the carrier

Answer 9

Synthetic side tone

Question 10

What is the operating voltages of UHF

Answer 10

28 VDC - Nominal

18 VDC - Emergency

Question 11

What are the modes of operation of UHF

Answer 11

Amplitude modulation voice 
guard frequency 
automatic direction finding 
anti-jamming 
tone

Question 12

Output power of UHF

Answer 12

10 watts

Question 13

Propagation method of UHF

Answer 13

Direct waves or line of sight

Question 14

Frequency range of UHF

Answer 14

225 MHz to 399.975 MHz

Question 15

Type of modulation of UHF

Answer 15

Amplitude modulation

Question 16

Channel spacing of UHF

Answer 16

25 kHz

Question 17

How many channels of UHF are there

Answer 17

7000

Question 18

Emergency guard frequency of UHF

Answer 18

243 MHz

Question 19

Duty cycle of UHF

Answer 19

Continuous

Question 20

What mount is when space its primary consideration and it’s usually installed on helicopters

Answer 20

Consol panel mount

Question 21

What mount is in separate units and is used in large Aircrafts

Answer 21

Remote configuration

Question 22

Two separate units of the remote configuration are

Answer 22

Radio Set control

receiver transmitter

Question 23

What controls and indicates

Answer 23

Radio Set control

Question 24

Modules or slices of the Radio Set control

Answer 24

Switching unit and control adapter

Question 25

This controls the R/T via 32 bit serial data word

Answer 25

Switching unit

Question 26

This provides internal operating power for the radio set control

Answer 26

Control adapter

Question 27

These are known as the connections and controls in the remote configuration

Answer 27

Receiver/transmitter

Question 28

Slices of the receiver/transmitter

Answer 28

``` Data converter synth/ECCM guard receiver main receiver transmitter ```

Question 29

This is the interface between the R/T and the RSC

Answer 29

Data converter

Question 30

This slice generates the required injection frequencies for transmitting and receiving and it’s also were the word of the day and time of the processing operation occurs

Answer 30

SYNTH/ECCM

Question 31

This is the slice where the receiver is tuned to the Emergency channel frequency of 243 MHz of the UHF system

Answer 31

Guard receiver

Question 32

This slice of the RT is tunable to any of the 7000 channels in a 25 kHz increment end is where Heterodyning and detection is taking place

Answer 32

Main receiver

Question 33

This slice is where modulation side tone power supply and provides a low RF power

Answer 33

Transmitter

Question 34

Physically and electronically secures and mounts to the R/T

Answer 34

Mount

Question 35

What are the UHF antennas

Answer 35

Passive monopole blade style

Question 36

This provides anti-jam capabilities using frequency hopping

Answer 36

Anti-Jam (HAVEQUICK II)

Question 37

What are the requirements of the anti-jam

Answer 37

WOD MWOD TOD NET NUMBER

Question 38

What sets the frequency hopping pattern in rate

Answer 38

Word of the day

Question 39

What presets is word of the day

Answer 39

15 to 20

Question 40

What preset is MWOD

Answer 40

Preset 14 if Zero is entered than HQ1 is used

Question 41

What synchronize the timing of radio pattern and rate

Answer 41

Time of day

Question 42

What is the point of entry in frequency hopping

Answer 42

Net number

Question 43

What enables multiple radios are users to operate in the same area without interfering with each other while using the same word of day and time of day

Answer 43

Net number

Question 44

What is known as two simultaneous transmissions on the same operating at work without interference

Answer 44

Conferencing

Question 45

What replaces the RSC

Answer 45

IDCU integrated display computer unit