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VHF, ACARS, HF, SELCAL Test > Review > Flashcards

Review Flashcards

(66 cards)

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1
Q

VHF range

A

Short range

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2
Q

VHF waves

A

Space waves

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3
Q

VHF antenna

A

Marconi antenna

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4
Q

Transmitter and receiver have 1 common housing that is…

A

Transceiver

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5
Q

Large aircraft uses…

A

FMS

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6
Q

VHF transport uses…

A

SelCal

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7
Q

When doing ACARS test need to be…

A

In range

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8
Q

What receives messages and sends replies

A

Ground station

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9
Q

Ground facility interrogates system
(What mode)

A

Polled mode

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10
Q

What finds faults in the aircraft?

A

CDU

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11
Q

Ground controls sends messages through what?

A

ACARS

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12
Q

What monitors circuit to ACARS?

A

BITE

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13
Q

How many characters can be sent in an ACARS message?

A

220 characters

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14
Q

Does ACARS need a subscription?

A

Yes

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15
Q

What management unit sends and receives messages?

A

ACARS MU (management unit)

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16
Q

International flights use what?

A

HF

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17
Q

Phase of flight reports

A

000I

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18
Q

What is the domestic frequency for ACARS?

A

131.550 MHz

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19
Q

HF range com

A

Long range

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20
Q

HF wave

A

Sky wave

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21
Q

Single side band provides

A

Narrow bandwidth

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22
Q

Data mode is not used for voices on…

A

HF

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23
Q

Data mode sends…

A

ACARS

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24
Q

HF typically operates in…

A

Single side band

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25
Standing wave antenna that are the wrong size can produce what?
Heat
26
Coupler is used to…
Fix antenna length
27
Do you want your coupler close or far to your antenna?
Close
28
Make sure your SATCOM is…
On
29
Coupler adds capacitance or inductors to a circuit to eliminate….
Standing wave
30
Ground station is needed for….
SATCOM
31
SATCOM uses Simplex or Duplex?
Duplex
32
What are the 3 common frequency bands for SATCOM?
SHF, UHF, EHF
33
Downlink is from what to what?
Satellite to aircraft
34
Uplink is from what to what?
Aircraft to satellite
35
If standing waves have the wrong antenna on what happens?
The produce heat
36
Satellites make up what?
Space segments
37
People using segment user equipment is called….
Control segments
38
What means that 2 different frequencies are used to transmit and receive info?
Duplex
39
Dividing several simultaneous signals into small pieces is called…
Multiplexing
40
When signals are extracted at the receiving end of the system that is called….
Demultplexing
41
Satellites use what kind of system?
Phased array system
42
Satellite date units are connected to what?
IRS
43
Phased arrays exhibit what?
High gain and high directionality
44
Phase pattern can be changed without needing to…
Physically move or re-aim the antenna
45
This system uses 2 satellite data units (SDU) 2 radio frequency units, and several other LRU’s with a sophisticated antenna system.
InMarsat
46
What system uses 2 geo-stationary satellites?
Sirius/XM
47
What divides the country into smaller areas for navigation?
Sectional chart
48
What is connected to a satellite? (Acronym)
IRS
49
What is a course path?
Path that an aircraft flies
50
What is heading?
The compass direction to which the aircraft is pointed.
51
Where do you go for the IF Sectional?
Legend
52
Aircraft techs have the same recessors as who?
Pilots
53
What does blue indicate?
Tower
54
Longitude 0 degrees
Prime meridian
55
Latitude 0 degrees
Equator
56
What does magenta mean?
No tower
57
UC means…
Under construction
58
CT means…
Control tower
59
L means
Lighted
60
Parts of the legend.. (4 main things)
Elevation, light, length of runway, UNICOM frequency
61
Runways on map are depicted in…
100’s of feet
62
Blue line means…
Airspace
63
Control tower frequency width is entered in…
VHF radio
64
Latitude description
Solid horizontal line
65
Longitude description
Solid vertical line
66
True north description
Dotted horizontal line

VHF, ACARS, HF, SELCAL Test (1 decks)

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