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1
Q

The publication containing detailed historical record guidance is

A

TO 00-20-1.

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2
Q

The maximum degree deviation of the Very High Frequency Omnidirectional and Radio Range (VOR) course caused by polarization shall not exceed

A

2

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3
Q

At which depth percentage is the Very High Frequency Omnidirectional and Radio Range (VOR) carrier amplitude modulated by the sideband signals?

A

30

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4
Q

How many miles must the Terminal Very High Frequency Omnidirectional and Radio Range (TVOR) cover?

A

25

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5
Q

The two categories that flight check adjustments normally encounter during a flight inspection are signal level and

A

azimuth

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6
Q

Which level is not measured during a localizer normal width run flight check?

A

ID

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7
Q

During a localizer low approach run flight check, what is the plus/minus percent of the modulation level tolerance for a CAT I Instrument Landing System (ILS)?

A

4.0

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8
Q

In flight inspection terminology, rhythmic excursions of the electromagnetic course or path defines

A

course scalloping

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9
Q

Which Very High Frequency Omnidirectional and Radio Range (VOR) flight check determines if any unwanted vertical or horizontally polarized electromagnetic waves are being radiated from the VOR antenna assembly?

A

Polarization

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10
Q

The flight check meter that indicates a sufficient radio frequency (RF) signal is being received from the Very High Frequency Omnidirectional and Radio Range (VOR) facility to make readings on the aircraft indicators reliable is the

A

automatic gain control (AGC)

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11
Q

Which meter indicates reverse sensing from the Very High Frequency Omnidirectional and Radio Range (VOR)?

A

To-from

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12
Q

Which percent of the commissioned angle is the tolerance for the glide angle?

A

7.5 below and 10 above.

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13
Q

The glide slope (GS) flight inspection procedure that checks phasing of the sideband-only (SBO) signal in relationship to the carrier-plus sideband (CSB) signal is

A

advance and retard.

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14
Q

What is the flight check plus/minus percentage tolerance for the localizer width check?

A

17 of the commissioned width.

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15
Q

Instrument Landing System (ILS) points A, B, C, D, and E are used to define the limits of

A

approach zones.

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16
Q

In flight inspection terminology, slow excursions of the electromagnetic course or path are called

A

bends

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17
Q

When operating an Instrument Landing System (ILS) as category II, the pilot must be able to fly inbound to a point of interception where the localizer course line intersects the glide path at a point above the

A

runway threshold.

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18
Q

What is the kilohertz (kHz) frequency of the alarm oscillator circuit in the AN/FRN-43 Very High Frequency Omnidirectional and Radio Range Tactical Air Navigation (VORTAC) System coder/decoder (CODEC)?

A

1

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19
Q

Which circuits are responsible for dividing the incoming audio and carrier signals in the receive section of the AN/FRN-43 Very High Frequency Omnidirectional and Radio Range Tactical Air Navigation (VORTAC) System coder/decoder (CODEC)?

A

Bandpass filters.

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20
Q

The output of the transmit (Tx) section of the AN/FRN-43 Very High Frequency Omnidirectional and Radio Range Tactical Air Navigation (VORTAC) System coder/decoder (CODEC) is controlled by the

A

START/STOP switch.

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21
Q

The visual status lamps on the AN/FRN-43 Very High Frequency Omnidirectional and Radio Range Tactical Air Navigation (VORTAC) System control indicator display the

A

actual status of the remote site.

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22
Q

The function of the AN/FRN-43 Very High Frequency Omnidirectional and Radio Range Tactical Air Navigation (VORTAC) System coder/decoder (CODEC) section of the control indicator is to

A

convert return signals from the sites into status indications.

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23
Q

Which adjustment can air traffic control (ATC) personnel make to the AN/FRN-43 Very High Frequency Omnidirectional and Radio Range Tactical Air Navigation (VORTAC) System control indicator?

A

Volume control of audio

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24
Q

Within the AN/FRN-43 Very High Frequency Omnidirectional and Radio Range Tactical Air Navigation (VORTAC) System, the personal computer (PC) display is divided into how many main windows?

A

2

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25
What is the primary method of operator control and monitoring of the Very High Frequency Omnidirectional and Radio Range (VOR) navigational set?
Local and remote personal computer (PC).
26
How is the AN/FRN-43 Very High Frequency Omnidirectional and Radio Range Tactical Air Navigation (VORTAC) System local personal computer (PC) connected to interface with the remote PC?
Modem
27
One purpose of the squitter pulses transmitted from the tactical air navigation (TACAN) is to
maintain constant transmitter duty cycle.
28
The tactical air navigation (TACAN) coded reply signals are used by aircraft to determine their
distance from the ground station.
29
The Very High Frequency Omnidirectional and Radio Range (VOR) power supply 1A7 is an alternating current (AC) to direct current (DC) converter that supplies a volts direct current (VDC) of
40.5
30
The AN/FRN-43 unit that measures and checks the Very High Frequency Omnidirectional and Radio Range (VOR) signals against established parameters is the
radio frequency (RF) monitor.
31
The AN/FRN-45C tactical air navigation (TACAN) antenna produces an electrically scanned radiation pattern by modulating the pulsed radio frequency (RF) from the transponder with what two frequencies?
15 and 135 hertz (Hz).
32
In the AN/FRN-45C tactical air navigation (TACAN) X mode, the difference in frequency between the received frequency and assigned transmit (Tx) frequency is
63 MHz
33
The AN/FRN-45C Tactical Air Navigation (TACAN) System frequency range, in megahertz (MHz), is
962 to 1213.
34
Which software is the AN/FRN-45C tactical air navigation (TACAN) personal computer (PC) equipped with to communicate with the system equipment?
Maintenance data terminal (MDT)
35
At which rate, in revolutions per minute, and direction does the AN/FRN-45 tactical air navigation (TACAN) antenna pattern appear to rotate?
900, clockwise.
36
If an aircraft receives signals from two ground beacons operating on the same frequency, the
weaker signal is almost totally rejected.
37
The most important result of maintaining a constant AN/FRN-45 Tactical Air Navigation (TACAN) System duty cycle is
pattern stability
38
The total number of pulse pairs transmitted by the AN/FRN-45 Tactical Air Navigation (TACAN) System is
3,600
39
How many pulse pairs make up an auxiliary reference burst (ARB)?
6
40
The microsecond (µs) spacing between the AN/FRN-45 Tactical Air Navigation (TACAN) System pair pulses in the X mode is
12
41
The AN/FRN-45 Tactical Air Navigation (TACAN) System uses pulse coding to
discriminate against interference
42
How many monitors must fail or detect a fault for the AN/FRN-45 Tactical Air Navigation (TACAN) System to shut down?
2
43
Which AN/FRN-45 Tactical Air Navigation (TACAN) System power supply output, in volts direct current (VDC), is over current and over voltage protected?
+65
44
The AN/FRN-45 tactical air navigation (TACAN) maintenance limit displayed for output power is the same as which parameter?
Monitored radiated power.
45
Which indication on the modulation generator (mod gen) display will a low power fault give on the AN/FRN-45 tactical air navigation (TACAN) modulation generator (mod gen)?
78
46
The AN/FRN-45 tactical air navigation (TACAN) pulse spacing measurements are suspended during
identification (ID) transmission
47
The normal monitored measurement, in microseconds (µs), for X mode reply delay in the AN/FRN-45 tactical air navigation (TACAN) is
50
48
The definition of reply delay is the
time from monitor interrogation to transponder reply.
49
The AN/FRN-45 Tactical Air Navigation (TACAN) System can provide bearing and distance information for up to how many aircraft?
100
50
The interval, in seconds, the AN/FRN-44A very high frequency omni-directional and radio range (VOR) identification (ID) code is transmitted is
7.5
51
The AN/FRN-44A Very High Frequency Omnidirectional and Radio Range (VOR) voice component of the composite waveform is provided to
communicate weather and airfield information.
52
The AN/FRN-44A Very High Frequency Omnidirectional and Radio Range (VOR) is typically controlled and monitored from the
Regional Maintenance Center (RMC).
53
The typical (line-of-sight) mileage range for the AN/FRN-44A Very High Frequency Omnidirectional and Radio Range (VOR) is
200
54
The AN/FRN-44 Very High Frequency Omnidirectional and Radio Range (VOR) monitor antennas sample the output signal at degree interval
22.5
55
During normal operation, the AN/FRN-44 Very High Frequency Omnidirectional and Radio Range (VOR) power monitor sensor provides how many reference volts direct current (VDC) to the control indicator?
20
56
The AN/FRN-44 Very High Frequency Omnidirectional and Radio Range (VOR) battery assembly can fully recharge in how many hours?
24
57
How many antennas sample the AN/FRN-44 Very High Frequency Omnidirectional and Radio Range (VOR) radiated signal and route the signals to the monitor
16
58
The AN/FRN-44 Very High Frequency Omnidirectional and Radio Range (VOR) transmitter receives ON/OFF control signals from the
control indicator.
59
What is the operating megahertz (MHz) frequency range of the AN/FRN-44 Very High Frequency Omnidirectional and Radio Range (VOR) antenna?
108 to 118
60
What is the carrier output power range, in watts, of the AN/FRN-44 Very High Frequency Omnidirectional and Radio Range (VOR)?
25 - 100
61
Which deflection does the airborne indicator show when the aircraft is on the glide path?
None
62
The diode switching network (4A9) in the glide slope (GS) differs from the 4A9 in the localizer when considering their length of line, because the GS is
three times that of the localizer.
63
Which signal or signals are applied to the lower antenna in the null-reference glide slope (GS)?
CSB only
64
Which hertz (Hz) signal is not an output status tone of the control unit?
2,350
65
The glide slope (GS) carrier frequency is modulated with what percentage of depth of modulation per tone?
40
66
Which reference is not a monitored parameter in the null-reference glide slope (GS)?
Ident percent of modulation.
67
Which situation causes a fault condition and initiates equipment transfer in the glide slope (GS)?
Dual monitor alarms.
68
Which localizer output would result in a change in the capture points?
12 watt (W) course (CRS) carrier plus sideband (CSB).
69
Why are localizer course (CRS) and clearance (CLR) transmitter's output frequencies separated by 9.5 kilohertz (kHz)?
Prevents the signals from combining.
70
Where on the airfield are you located if during a ground check you are taking a measurement from the 35-degree survey checkpoint?
Near field arc
71
The modulation percentage of the sum of the 90 hertz (Hz) resultant and the 150 Hz resultant should always total
40
72
A 17.2 percent modulation difference converted to difference in depth of modulation (DDM) is
.172
73
What is the only difference between the localizer clearance (CLR) monitor and course (CRS) monitor?
Measurement of the CLR frequency.
74
Which parameter is not checked by the localizer course (CRS) monitors?
Frequency separation.
75
The most likely thing that will happen if an antenna cable is broken or shorted is it will cause
a station shutdown.
76
Which antennas are the localizer clearance (CLR) signals applied to simultaneously?
Inner
77
The localizer antenna array has a gain of how many decibels (dB)?
10
78
The diode switching network is responsible for
routing and switching.
79
The nominal localizer course transmitter carrier-plus sideband (CSB) and sideband only (SBO) power in watts (W) and milliwatts (mW) respectively are
15; 360.
80
Which unit is not tied into the control unit of the localizer?
Distribution
81
Where is the detected signal from the localizer antenna distribution unit sent?
Course and clearance monitors.
82
What controls the localizer clearance (CLR) transmitters?
Course transmitters.
83
How many monitors must detect a fault to cause an equipment transfer in the localizer?
2
84
The radiation pattern of the course carrier is
narrower than the clearance pattern.
85
How many log-periodic dipole (LPD) antennas are there in the localizer antenna array?
14
86
At which frequency is the clearance (CLR) carrier transmitted in the localizer?
SAF -4.75 kHz.
87
What general function is the first basic operation of the localizer station?
Radiating the pattern.
88
What number of watts is the nominal carrier plus sideband (CSB) output power of the clearance transmitter in the localizer?
10
89
What are the modulation frequencies, measured in hertz (Hz), in the localizer course transmitter?
90, 150, and 1,020.
90
How many megahertz (MHz) is the frequency range of radio transmitters in the localizer equipment station?
108 to 112.
91
The maximum wind speed, in miles per hour (mph) the localizer equipment station is designed to withstand is
70
92
How many assemblies support each localizer antenna?
2
93
Which colors are the localizer equipment shelter generally painted?
International orange and white.
94
The Very High Frequency Omnidirectional and Radio Range (VOR) unit that monitors the automatic ground check system is the
radio frequency (RF) monitor

CDC (10 decks)

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