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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
Q

What is the primary method of operator control and monitoring of the Very High Frequency Omnidirectional and Radio Range (VOR) navigational set?

A

Local and remote personal computer (PC).

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26
Q

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?

A

Modem

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27
Q

One purpose of the squitter pulses transmitted from the tactical air navigation (TACAN) is to

A

maintain constant transmitter duty cycle.

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28
Q

The tactical air navigation (TACAN) coded reply signals are used by aircraft to determine their

A

distance from the ground station.

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29
Q

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

A

40.5

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30
Q

The AN/FRN-43 unit that measures and checks the Very High Frequency Omnidirectional and Radio Range (VOR) signals against established parameters is the

A

radio frequency (RF) monitor.

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31
Q

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?

A

15 and 135 hertz (Hz).

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32
Q

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

A

63 MHz

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33
Q

The AN/FRN-45C Tactical Air Navigation (TACAN) System frequency range, in megahertz (MHz), is

A

962 to 1213.

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34
Q

Which software is the AN/FRN-45C tactical air navigation (TACAN) personal computer (PC) equipped with to communicate with the system equipment?

A

Maintenance data terminal (MDT)

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35
Q

At which rate, in revolutions per minute, and direction does the AN/FRN-45 tactical air navigation (TACAN) antenna pattern appear to rotate?

A

900, clockwise.

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36
Q

If an aircraft receives signals from two ground beacons operating on the same frequency, the

A

weaker signal is almost totally rejected.

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37
Q

The most important result of maintaining a constant AN/FRN-45 Tactical Air Navigation (TACAN) System duty cycle is

A

pattern stability

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38
Q

The total number of pulse pairs transmitted by the AN/FRN-45 Tactical Air Navigation (TACAN) System is

A

3,600

39
Q

How many pulse pairs make up an auxiliary reference burst (ARB)?

A

6

40
Q

The microsecond (µs) spacing between the AN/FRN-45 Tactical Air Navigation (TACAN) System pair pulses in the X mode is

A

12

41
Q

The AN/FRN-45 Tactical Air Navigation (TACAN) System uses pulse coding to

A

discriminate against interference

42
Q

How many monitors must fail or detect a fault for the AN/FRN-45 Tactical Air Navigation (TACAN) System to shut down?

A

2

43
Q

Which AN/FRN-45 Tactical Air Navigation (TACAN) System power supply output, in volts direct current (VDC), is over current and over voltage protected?

A

+65

44
Q

The AN/FRN-45 tactical air navigation (TACAN) maintenance limit displayed for output power is the same as which parameter?

A

Monitored radiated power.

45
Q

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)?

A

78

46
Q

The AN/FRN-45 tactical air navigation (TACAN) pulse spacing measurements are suspended during

A

identification (ID) transmission

47
Q

The normal monitored measurement, in microseconds (µs), for X mode reply delay in the AN/FRN-45 tactical air navigation (TACAN) is

A

50

48
Q

The definition of reply delay is the

A

time from monitor interrogation to transponder reply.

49
Q

The AN/FRN-45 Tactical Air Navigation (TACAN) System can provide bearing and distance information for up to how many aircraft?

A

100

50
Q

The interval, in seconds, the AN/FRN-44A very high frequency omni-directional and radio range (VOR) identification (ID) code is transmitted is

A

7.5

51
Q

The AN/FRN-44A Very High Frequency Omnidirectional and Radio Range (VOR) voice component of the composite waveform is provided to

A

communicate weather and airfield information.

52
Q

The AN/FRN-44A Very High Frequency Omnidirectional and Radio Range (VOR) is typically controlled and monitored from the

A

Regional Maintenance Center (RMC).

53
Q

The typical (line-of-sight) mileage range for the AN/FRN-44A Very High Frequency Omnidirectional and Radio Range (VOR) is

A

200

54
Q

The AN/FRN-44 Very High Frequency Omnidirectional and Radio Range (VOR) monitor antennas sample the output signal at degree interval

A

22.5

55
Q

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?

A

20

56
Q

The AN/FRN-44 Very High Frequency Omnidirectional and Radio Range (VOR) battery assembly can fully recharge in how many hours?

A

24

57
Q

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

A

16

58
Q

The AN/FRN-44 Very High Frequency Omnidirectional and Radio Range (VOR) transmitter receives ON/OFF control signals from the

A

control indicator.

59
Q

What is the operating megahertz (MHz) frequency range of the AN/FRN-44 Very High Frequency Omnidirectional and Radio Range (VOR) antenna?

A

108 to 118

60
Q

What is the carrier output power range, in watts, of the AN/FRN-44 Very High Frequency Omnidirectional and Radio Range (VOR)?

A

25 - 100

61
Q

Which deflection does the airborne indicator show when the aircraft is on the glide path?

A

None

62
Q

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

A

three times that of the localizer.

63
Q

Which signal or signals are applied to the lower antenna in the null-reference glide slope (GS)?

A

CSB only

64
Q

Which hertz (Hz) signal is not an output status tone of the control unit?

A

2,350

65
Q

The glide slope (GS) carrier frequency is modulated with what percentage of depth of modulation per tone?

A

40

66
Q

Which reference is not a monitored parameter in the null-reference glide slope (GS)?

A

Ident percent of modulation.

67
Q

Which situation causes a fault condition and initiates equipment transfer in the glide slope (GS)?

A

Dual monitor alarms.

68
Q

Which localizer output would result in a change in the capture points?

A

12 watt (W) course (CRS) carrier plus sideband (CSB).

69
Q

Why are localizer course (CRS) and clearance (CLR) transmitter’s output frequencies separated by 9.5 kilohertz (kHz)?

A

Prevents the signals from combining.

70
Q

Where on the airfield are you located if during a ground check you are taking a measurement from the 35-degree survey checkpoint?

A

Near field arc

71
Q

The modulation percentage of the sum of the 90 hertz (Hz) resultant and the 150 Hz resultant should always total

A

40

72
Q

A 17.2 percent modulation difference converted to difference in depth of modulation (DDM) is

A

.172

73
Q

What is the only difference between the localizer clearance (CLR) monitor and course (CRS) monitor?

A

Measurement of the CLR frequency.

74
Q

Which parameter is not checked by the localizer course (CRS) monitors?

A

Frequency separation.

75
Q

The most likely thing that will happen if an antenna cable is broken or shorted is it will cause

A

a station shutdown.

76
Q

Which antennas are the localizer clearance (CLR) signals applied to simultaneously?

A

Inner

77
Q

The localizer antenna array has a gain of how many decibels (dB)?

A

10

78
Q

The diode switching network is responsible for

A

routing and switching.

79
Q

The nominal localizer course transmitter carrier-plus sideband (CSB) and sideband only (SBO) power in watts (W) and milliwatts (mW) respectively are

A

15; 360.

80
Q

Which unit is not tied into the control unit of the localizer?

A

Distribution

81
Q

Where is the detected signal from the localizer antenna distribution unit sent?

A

Course and clearance monitors.

82
Q

What controls the localizer clearance (CLR) transmitters?

A

Course transmitters.

83
Q

How many monitors must detect a fault to cause an equipment transfer in the localizer?

A

2

84
Q

The radiation pattern of the course carrier is

A

narrower than the clearance pattern.

85
Q

How many log-periodic dipole (LPD) antennas are there in the localizer antenna array?

A

14

86
Q

At which frequency is the clearance (CLR) carrier transmitted in the localizer?

A

SAF -4.75 kHz.

87
Q

What general function is the first basic operation of the localizer station?

A

Radiating the pattern.

88
Q

What number of watts is the nominal carrier plus sideband (CSB) output power of the clearance transmitter in the localizer?

A

10

89
Q

What are the modulation frequencies, measured in hertz (Hz), in the localizer course transmitter?

A

90, 150, and 1,020.

90
Q

How many megahertz (MHz) is the frequency range of radio transmitters in the localizer equipment station?

A

108 to 112.

91
Q

The maximum wind speed, in miles per hour (mph) the localizer equipment station is designed to withstand is

A

70

92
Q

How many assemblies support each localizer antenna?

A

2

93
Q

Which colors are the localizer equipment shelter generally painted?

A

International orange and white.

94
Q

The Very High Frequency Omnidirectional and Radio Range (VOR) unit that monitors the automatic ground check system is the

A

radio frequency (RF) monitor

CDC (10 decks)

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