1. MALAYSIAN
RADIO AMATUER EXAMINATION
SAMPLE QUESTIONS

2. Radio Amateur Examination - Page 1/18
1. Amateur radio station means:
a) a station for financial gain & operated by a radio
amateur
b) a station for a service of self-tuition,
intercommunication and technical investigation that is
operated by an amateur
c) a station that uses radio waves and is erected by an
amateur
d) a station of self tuition that is erected for use from an
aircraft or a public vehicle
2. Identify four purposes for the amateur service
i) to protect historical radio data
ii) to help the public understand radio history
iii) to help foreign countries improve communication
iv) to help improve technical skills
v) to encourage visits from foreign hams
vi) to modernize radio schematic drawings
vii) to increase the pool of electrical drafting people
yiii) to increase the number of trained radio operators
ix) to increase the number of electronics experimenters
x) to improve intemational goodwill
a) i, ii, iii & iv c) ii, iv, ix & x
b) iii, v, vii & ix d) iv, viii, ix & x
3. The renewal fee for the class A and B licenses are:
a) RM12.00 & RM24.00
b) RM36.00 & RM24.00
c) RM24.00 & RM36.00
d) RM48.00 & RM60.00
4. A class B licensee may operate in the following bands:
a) 144 - 148MHz c) 50 MHz and above
b) 144 - 146 MHz d) 50 MHz and below
5. The maximum power output permitted from a class B
grade amateur operators station is :
a) 100 watt mean power to 300 watt PEP
b) 120 watt mean power to 400 watt PEP
c) 10 watt mean power to 30 watt PEP
d) 1000 watt mean power to 2000 watt PEP
6. The voltage across a resistor carrying current can be
calculated using the formula
a) E = I + R (voltage equals current plus resistance)
b) E = I - R (voltage equals current minus resistance)
c) E = I x R (voltage equals current times resistance)
d) E = I / R (voltage equals current divided by resistance)
7. 2 resistors are connected in parallel and are connected
across a 40 volt battery. If each resistor is 1000 ohms,
the total battery current is:
a) 40 ampere c) 80 ampere
b) 40 miliampere d) 80 miliampere
8. If a 100-ohm resistor is connected to 200 volts, what is
the current through the resistor:
a) 1 ampere c) 300 amperes
b) 2 amperes d) 20000 amperes
9. Silicon in its pure form is:
a) A conductor c) A superconductor
b) An insulator d) A semiconductor
10. A licencee must be able to:
a) use two different languages
b) verify that his transmissions are within the authorized
frequency bands
c) read morse at 20 wpm
d) write
11. The first odd harmonic of 144.69 MHz:
a) 48.23 MHz c) 289.38 MHz
b) 434.07 MHz d) 723.45 MHz
12. Single sideband, suppressed carrier transmission is
denoted by:
a) A3E c) F3E
b) J3E d) R3E
13. The coaxial cable from an SWR meter to an antenna
develops a fault so that no power reaches the antenna.
The SWR meter will read:
a) zero c) 1:1
b) high d) very low

3. Radio Amateur Examination - Page 2/18
14. If the power supply to the output stage is modulated,
this produces:
a) AM c) FM
b) MW d) PM
15. A readability report R4 indicates:
a) unreadable
b) readable with considerable difficulty
c) readable with practically no difficulty
d) perfectly readable
16. The Q code for ‘stand by’ is:
a) QRN c) QRM
b) QRU d) QRX
17. For safety the integrity of the earthing system should
be checked:
a) Every decade
b) When you move house
c) Periodically
d) never
18. One quarter of one ampere may be written as:
a) 250 microampere c) 0.001 milliampere
b) 0.5 ampere d) 250 miltiampere
19. An ‘alternating current’ is so called because:
a) it reverses direction periodically
b) it travels through a circuit using atternate paths
c) its direction of travel is uncertain
d) its direction of travel can be altered by a switch
20. The type of transmission most prone to causing
interference to an audio amplifier system is:
a) frequency modulation
b) frequency shift keying
c) amplitude modutation.
d) phase modulation
21. An Ohm is equivalent to a:
a) Henry per Ampere c) Ampere per Volt
b) Joule per Coulomb d) Volt per Ampere
22. Watts are equivalent to:
a) V x I b) V / I
c) V x V x l d) l x R
23. Five 1500 ohm transistors in parallel are equivalent to:
a) 60 Ohms c) 100 Ohms
b) 300 Ohms d) 7500 Ohms
24. What are 4 good electrical insulators?
a) Glass, air, plastic, porcelain
b) Paper, glass, air, aluminium
c) Glass, wood, cooper, porcelain
d) Plastic, rubber, wood, carbon
25. A VHF/UHF transmitter should ideally be followed by:
a) a high pass fitter c) a crystal filter
b) a band pass filter d) a mains filter
26. A multi-band antenna is:
a) Less likely to radiate harmonics ,
b) More likely to radiate harmonics
c) Never going to radiate harmonics
d) More efficient than a dipole
27. What are electromagnetic waves
a) Alternating currents in the core of an electromagnet
b) A wave consisting of two electric fields at right angles to
each other
c) A wave consisting of an electric field and a magnetic
field at right angles to each other
d) A wave consisting of two magnetic fields at right angles
to each other
28. In digital communications, FSK stands for:
a) phase selection keying
b) frequency shift keying
c) final section keying
d) final signal keying
29. In a Class B amplifiers, using an NPN transistor, the
base bias potential is:
a) much greater than the emitter potential
b) the same as the collector potential
c) about O.6V above the emitter voltage
d) less than the emitter voltage

4. Radio Amateur Examination - Page 3/18
30. In the figure shown, 2 represents the:
a) Collector of a PNF transistor
b) Emitter of an NPN transistor
c) Base of an NPN transistor
d) Source of a junction FET
31. Why would you use a fuse:
a) To create a short circuit when there is too much
current in a circuit
b) To change direct current into alternating current
c) To change alternating current into direct current
d) To create an open circuit when there is too much
current in a circuit
32. Which symbol of flgur represents a fixed-value
capacitor
a) Symbol 1 c) Symbol 2
b) Symbol 3 d) Symbol 4
33. In Figure T6-2, which symbol represents a variable
capacitor
a) Symbol 1 c) Symbol 2
b) Symbol 3 d) Symbol 4
34. What is a liquid-crystal display (LCD)
a) A modern replacement for a quar crystal oscillator
which displays its fundamental frequency
b) A display that uses a crystalline liquid to change the
way light is refracted
c) A frequency-determining unit for a transmitter or
receiver
d) A display that uses a glowing liquid to remain brightly
lit in dim light
35. How is a voltmeter usually connected to a circuit under
test
a) in series with the circuit
b) in quadrature with the circuit
c) in parallel with the circuit
d) a phase with the circuit
36. For which measurements would you normally use a
multimeter
a) SWR and power
b) resistance, capacitance & inductance
c) resistance and reactance
d) voltage, current & resistance
37. For safety reasons, across high value capacitors there
should always be:
a) an inductor
b) a bleed resistor
c) a short circuit
d) an open circuit
38. The following unit in a DC power supply performs a
rectifying operation
a) an electrolytic capacitor
b) a fuse
c) a crowbar
d) a full-wave diode bridge
39. The capacitor value best suited for filtering the output of
a 12 volt 1 amp DC power supply is
a) 100 pF c) 10 nF
b) 100 nF d) 10,000 uF
Question 40 to 43 relates to this diagram below
40. The block diagram above representing a circuit for:
a) voltage stabilization
b) rectification
c) reverse bias protection
d) voltage multiplication
2
3
1
Transformer Rectifier Filter Regulator
Output
Regulated Power Supply
AC Mains Input

5. Radio Amateur Examination - Page 4/18
41. The block marked ‘regulator’ in the diagram is to
a) Regulate the incoming mains voltage to a constant
value
b) Ensure that the output voltage never exceeds a
dangerous value
c) Keep the incoming frequency constant at 50Hz
d) Keep the output voltage at a constant value
42. The block marked transformer in the diagram is to
a) Transform the incoming mains AC voltage to a DC
voltage
b) Ensure that any RF radiation cannot get into the power
supply
c) Transform the mains AC voltage to a more convenient
AC voltage
d) Transform the mains AC waveform into a higher
frequency waveform
43. The block marked rectifier in the diagram is to
a) the AC voltage from the transformer into a fluctuating
DC voltage
b) Rectify any waveform errors introduced by the
transformer
c) Turn the sinewave output of the rectifier into a square
wave
d) Remove any AC components from the output of the
transformer
44. Which type of oscillator circuits are commonly used in
a VFO (variable frequency oscillator)?
a) Pierce & Zener
b) Colpitts & Hartley
c) Armstrong & deforest
d) Negative feedback & balanced feedback
45. What type of circuit does figure T7-2 represent if block
1 is a product detector
a) a simple phase modulation receiver
b) a simple FM receiver
c) a simple CW and SSB receiver
d) a double-conversion multiplier -
46. If figure T7-2 is a diagram of a simple single-sideband
receiver, what type of circuit should be shown in block 1
a) a high pass filter
b) a ratio detector
C) a tow pass filter
d) a procuct detector
47 What circuit is pictured in figure 17-3, if block 1 is a
frequency discriminator
a) a double-conversion receiver
b) a variable-frequency oscillator
c) a superheterodyne receiver
d) an FM receiver z
Question from 48 to 53 relates to this diagram below
48. In the transmitter block diagram shown the ‘oscilator’
a) Is variable in frequency
b) Generates an audio frequency tone during tests
c) Uses a crystal for good frequency stability
d) May have a calibrated dial
49. In the transmitter block diagram shown, the ‘balanced
modulator’
a) Balances the high and low frequencies in the audio -
signal
b) Performs double sideband suppresses carrier
modulation
c) Acts as a tone control
d) Balances the standing wave ratio

6. Radio Amateur Examination - Page 5/18
50. In the transmitter btock diag shown, the ‘filter’
a) Removes mains hum from the audio signal
b) Suppresses unwanted harmonics of the RF signal
Removes one sideband from the modulated signal
d) Removes the carder component from the modulated
signal
51. In the transmitter block diagram shown the ‘mixer’
a) Adds the correct proportion of carrier to the SSB signal
b) Mixes the audio and RF signals in the correct
proportions
c) Translates the SSB signal to the required frequency
d) Mixes the two sidebands in the correct proportions
52. In the transmitter block diagram shown, the ‘linear
amplifier’
a) Has all components arranged in-line
b) Amplifies the modulated signal with no distortion
c) Aligns the two sidebands correctly
d) Removes any unwanted amplitude modulation from
the signal
53. In the transmitter block diagram shown the ‘VFO’ is
a) A voice frequency oscillator
b) A virtual faze oscillator
c) A varactor fixed oscillator
d) A variable frequency oscillator
54. In figure N7-1, if block 1 is a transceiver and block 3 is
a dummy antenna, what is block 2?
a) a terminal-node switch
b) an antenna switch
c) a telegraph key switch
d) a high-pass filter
55. In figure N7-1, if block 1 is a transceiver and block 2 is
an antenna switch, what is block 3?
a) a terminal-node switch
c) a telegraph key switch
b) an SWR meter
d) a dummy antenna
56. In figure N7-3, if block 1 is a transceiver and block 2 is
an SWR meter, what is block 3?
a) an antenna switch
b) an antenna tuner
c) a key-click filter
d) a terminal-node controller
57. What circuit is pictured in figure T7-1 if block 1 is a
variable frequency oscillator
a) a packet-radio transmitter
b) a crystal-controlled transmitter
c) a single-sideband transmitter
d) a VFO-controlled transmitter
58. What circuit is pictured in figure 17-1 if block I is a crystal
oscillator
a) a crystal-controlled transmitter
b) a VFO-controlled transmitter
c) a single-sideband transmitter
d) a CW transceiver
59. The commonly used amateur radio single side band
mode is defined as
a) F3E c) J3E
b) A3E d) G3E
60. Frequency modulation using voice is termed:
a) F1A c) F3C
b) F2A d) F3E

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61. What is the advantage in using the international
telecommunication union (ITU) phonetic alphabet
when identifying your station
a) the words are internationally recognized substitutes for
letters
b) there is no advantage
c) the words have been chosen to be easily pronounced
by Asian cultures
d) it preserves traditions begun in the early days of
Amateur Radio
Question from 62 to 64 relates to this diagram below
62. The antenna in this diagram has two equal lengths of
wire shown as x forming a dipole between insulators.
The optimum operating frequency will be when the
a) length X+X equals the signal wavelength
b) dimensions are changed with one leg doubled in
length
c) length X is a little shorter than one-half of the signal
wavelength
d) antenna has one end grounded
63. The antenna in this diagram can be made to operate
on several bands if the following item is installed at the
points shown at x in each wire
a) acapacitor c) a fuse
b) an inductor d) a parallel-tuned trap
64. The physical length of the antenna shown in this
diagram can be shortened and the electrical length
maintained, if one of the following items is added at
the points shc at x in each wire
a) an inductor c) an insulator
b) a capacitor d) a resistor
65. Magnetic and electric fields about an antenna are
a) parallel to each olher
b) determined by the type of antenna used
c) perpendicular to each other
d) variable with the time of day
66. An SWR meter is inserted into a perfectly matched
transmitter/antenna system. The value shown should
indicate:
a) 10W reflected power c) 1:1 VSWR
C) 1:0 VSWR d) 0:1 VSWR
67. A groundplane antenna emits a
a) horizontally polarized wave
b) elliptically polarized wave
c) axially polarized wave
d) vertically polarized wave
68. What is a cubical quad antenna
a) Four straight, parallel elements in line with each other,
each approximately ½ - electrical wavelength long
b) Two or more parallel four-sided wire loops, each
approximately one-electrical wavelength long
c) a vertical conductor ½ - electrical wavelength high, fed at
the bottom
d) a center-fed wire V wavelength long
69. The “RMS value” of a sine-wave signal is:
a) half the peak voltage
b) 1.414 times the peak voltage
c) the peak-to-peak voltage
d) 0.707 times the peak voltage
70. The major mode of propagation at VHF over long
distances is known as:
a) tropospheric propagation
b) ionospheric propagation
c) ground wave propagation
d) additive propagation
71. The dielectric of an open wire feeder is usually:
a) air c) polythene
b) rubber d) water
72. What is the lowest ionospheric region?
a) F1 c) F2
b) D d) E
73. What is one of the most significant problems associated
with mobile transceivers
a) ignition noise
b) radar interference
c) Doppler shift
d) mechanical vibrations

8. Radio Amateur Examination - Page 7/18
74. If you ore told that your amateur station is causing
television interference, what should you do?
a) first make sure that your station is operating properly,
and that it does not cause interference to your own
television
b) immediately turn off your transmitter and contact the
nearest MCMC office for assistance
c) connect a high-pass filter to the transmitter output and
a low-pass filter to the antenna-input terminals of the
television
d) continue operating normally, because you have no
reason to worry about the interference
75. What should be done if a properly operating amateur
station is the cause of interference to a nearby
telephone
a) make internal adjustments to the telephone equipment
b) install RFI filters at the affected telephone
c) stop transmitting whenever the telephone is in use
d) ground and shield the local telephone distribution
amplifier
76. What is a CTCSS (or PL) tone?
a) a special signal used for telecommand control of
model craft
b) a sub-audible tone, added to a carrier, which may
cause a receiver to accept a signal
c) a tone used by repeaters to mark the end of a
transmission
d) a special signal used for telemetry between amateur 8.
space stations and earth stations
77. When conversing via a VHF or UHF repeater you
should pause between overs to allows for
a) urgent and emergency traffic
b) to cool down the repeater
c) other stations to join in the QSO
d) answer a & b above
78. The ‘S meter’ on a receiver
a) indicates where the squelch control should be set
b) indicates the standing wave ratio
c) indicates the state of the battery voltage
d) indicates relative incoming signal strengths
79. You are mobile and talking through a VHF repeater.
The other station reports that you keep ‘dropping out’.
This means
a) your signal is drifting lower in frequency
b) your signal does not have enough strength to operate
the repeater
c) your voice is too low-pitched to be understood
d) you are not speaking loudly enough
80. Morse code is usually transmitted by radio as:
a) an interrupted carner
b) a voice modulated carrier 90
c) a continuous carrier
d) a series of clicks
81. SSS transmissions:
a) occupy about twice the bandwidth of AM transmissions
b) contain more information than AM transmissions
c) occupy about half the bandwidth of AM transmissions
d) are compaUble with FM transmissions
82. When using data transmission in the 144 MHz band or
above, the cailsign must be sent:
a) using RTTY
b) every 10 minutes
c) at least every 15 minutes
d) in ASCII
83. In the event of a national disaster which of the following
bands can be used by non-amateurs in the disaster area
in accordance with the Licensing conditions?
a) 144—146 MHz c) 29.0—29.7 MHz
b) 146-148MHz d) noneofthese
84. The fifth harmonic of a 144 MHz transmission lies to:
a) another amateur radio
b) the UHF TV band
c) a FM radio broadcast band
d) a MOD band
85. Power supplies to RF power amplifiers should:
a) be open wires c) be AF filtered
b) be RF filtered d) be inductively coupled
86. The height of the Fl layer is about:
a) 80km c) 120km
b) 200 km d) 300 km
87. The skip zone is where the ground wave:
a) is enhanced
b) is reflected
c) diminished and the reflected wave has not returned to
earth
d) and reflected wave combine

9. Radio Amateur Examination - Page 8/18
88. Typical dielectric for coaxial cable is:
a) rubber b) porcelain
C) ceramic d) polythene
89. The side of a quad antenna is:
a) quater wavelength
b) a half wavelength
c) three quarters of a wavelength
d) a full wavelength
90. The easiest AC amplitude measurement to take direct
from an oscilloscope trace is:
a) rrns values
b) average values
c) peak values
d) peak 0 peak values
91. A SWR meter is used to check:
a) transmitter efficiency
b) harmonic output
c) transmitter bandwidth
d) transmitter to antenna matching
92. The equivalent DC battery voltage to give the same
heating effect as a 12 V (rms) sine wave source is:
a) SV b) 84V
c) 12V d) 17V
93. The prime document for the administration of the
amateur service in Malaysia is the:
a) Radio Regulations, 1985
b) Broadcasting Act
c) Radio Amateur’s Handbook
d) Multimedia Commission Act, 1998
94. If an amateur radio licensee is absent overseas, the
base station may be used by:
a) Any member of the immediate family to maintain
contact with only the licensee
b) Any amateur radio licensee but with consent
c) The immediate family to communicate with any
amateur radio licensee
d) Noneoftheabove
95. The regulatory authority in Malaysia on amateur radio
is the:
a) Mataysian Amateur Radio Transmitters Society
b) Malaysian Communications and Multimedia
Commission (MCMC)
c) International Amateur Radio Union (IARU)
d) Prime Minister’s Department
96. Which education qualification exempts the holder from
the radio amateur examination?
a) Four credits in Sijii Pelajaran Malaysia subjects
b) Four passes in University undergraduate subjects
c) A principle in Sijil Tinggi Pelajaran Malaysia Physics
and Mathematics
d) There is no exemption for any education qualification
97. To whom may an amateur radio station licensee sell
amateur radio equipment:
a) To any person interested in amateur radio
b) To any person who is possession of a Radio Dealers
License or to a person who is in possession of a
Amateur Radio License
c) To any person who is possession of a radio broadcast
station license
d) To a person who has a foreign Citizen Band License
98. Power supplies to RF power amplifiers should:
a) be open wires
b) be AF filtered
c) be RF filtered
d) be inductively coupled
99. The value of a resistor to drop 100 volt with a current of
0.8 miliampere is:
a) 125 ohm c) 1250 ohm
b) 125 kilohm d) 1.25 kilohm
100. If a current of 2 amperes flows through a 50-ohm
resistor, what is the voltage across the resistor?
a) 25 volts c) 100 volts
b) 52 volts d) 200 volta
101. The effective resistance of three 24 Ohm resistors
connected in parallel is:
a) 8 ohms c) 12 ohms
b) 36 ohms d) 72 ohms
102. An electric current passing through a wire will produce
around the conductor:
a) An electric field c) a superconductor
b.) A magnetic field d) a semiconductor

10. Radio Amateur Examination - Page 9/18
103. The unit of impedance is the:
a) ampere c) Henry
b) farad d) ohm
104. One kilohm is:
a) 10 ohm c) 0.001 ohm
b) 0.01 ohm d) 1000 ohm
105. The watt is the unit of:
a) Power c) electromagnetic field
strength
b) magnetic flux d) breakdown voltage
106. The unit of resistance is the:
a) farad c) ohm
b) watt d) resistor
107. Radio wave polarization is defined by the orientation
of the radiated:
a) magnetic field c) electric field
b) inductive field d) capacitive field
108. Starting at a positive peak, how many times does a
sine wave cross the zero axis n one complete cycle:
a) 180 times c) 2 times
b) 4 times d) 360 times
109. What is a wave calted that abruptly changes back
and forth between two voltage levets and remains an
equal lime at each level?
a) A sine wave c) a square wave
b) A cosine wave d) a sawtooth wave
110. What are three good electrical conductors
a) Copper, gold, mica
b) Gold, silver, wood
c) gold, silver, aluminium
d) copper, aluminium, paper
111. In figure N6-3, which symbol represents an NPN
transistor
a) Symbol 1 c) Symbol 2
b) Symbol 3 d) Symbol 4
112. Which symbol of figure N6-3 represents an PNP
transistor
a) Symbol 1 c) Symbol 2
b) Symbol 3 d) Symbol 4
113. Calls must not be broadcast to amateur stations in
general unless:
a) it is to broadcast amateur news
b) it is a CQ call
c) it is to give a weather report
d) there is a lift on
114. Facsimile transmission using AM is:
a) A3E c) F3E
c) G3C d) A1B
115. The suffix when riding a motorbike is:
a) /B c) /P
b) /M d) /C
116. An isolating transformer is used to
a) Ensure that faulty equipment connected to it will blow
a fuse in the distribution board
b) Ensure that no voltage is developed between either
output lead and ground
c) Ensure that no voltage is developed between the
output leads
d) Step down the mains voltage to a safe value
117. What device is used to store electrical energy in an
electrostatic field:
a) A battery c) A capacitor
b) A transformer d) An inductor
118. What dies a variable resistor or potentiometer do?
a) Its resistance changes when AC is applied to it
b) It transforms a variable voltage into a constant voltage
c) Its resistance changes when its slide or contact is
moved
d) To create an open circuit when there is too much
current in a circuit

11. Radio Amateur Examination - Page 10/18
119. In figure N6-1, which symbol represents a fixed
resistor:
a) Symbol 2 c) Symbol 4
b) Symbol 3 d) Symbol 5
120. In figure N6-1 which symbol represents a fuse
a) Symbol 1 c) Symbol 5
b) Symbol 3 d) Symbol 7
121. In figure N6-1, which symbol represents a single-cell
batten
a) Symbol 7 c) Symbol 5
b) Symbol 1 d) Symbol 4
122. In figure N6-1, which symbol represents an earth
ground:
a) Symbol 2 c) Symbol 5
b) Symbol 6 d) Symbol 8
123. In figure N6-1, which symbol represents an antenna
a) Symbol 2 b) Symbol 3
c) Symbol 6 çt4 Symbol 7
124. What does a capacitor do:
a) It stores erierg and opposes a change in current
b) It stores energy electrostatically and opposes a
change in voltage
c) It stores energy electromagnetically and opposes a
change in current
d) It stores energy electromechanically and opposes a
change in voltage
125. In figure N6-2, which symbol represents a single-
pole, single throw switch
a) Symbol 1 c) Symbol 3
b) Symbol 2 d) Symbol 4
126. The mains transformer in a transmitter is fitted with an
internal screen. To minimize the possibility of
introducing mains-borne interference it shoutd be
connected to;
a) the chassis
b) the VFO output
c) the live side of the mains
d) left ftoating
127. The total capacitance of two or more capacitors in
series is
a) always less than that of the smallest capacitor
b) always greater than hat of the largest capacitor
c) found by adding each of the capacitances together
d) found by adding the capacitances together and
dividing by their total number
128. Colpitts, Hartley, Vackar, Clapp-Gouriet are alt types
of:
a) power supply c) amplifier
b) oscillator d) modulator
129. The power supply to a VFO should be:
a) well regulated
b) straight from the smoothing circuit
c) unregulated
d) AC only
130. The block diagram below is of a typical 144 MHz
transmitter using multipliers, The box marked X is:
a) a doubter c) a tripler
b) a quadrupler d) a buffer
131. If the carrier generated by the signal in the above
question is to be amplitude modulated, modulation
should be applied at:
a) A c) B
b) C d) D

12. Radio Amateur Examination - Page 11/18
132. When catting a station, it is good practice to:
a) put your cattsign first
b) use your catlsign only
c) put the calisign of the station being called first
d) use the calisign of the other station only
133. What is the advantage in using the International
Telecommunication Union (ITU) phonetic alphabet
when identifying your station?
a) the words are internationally recognized substitutes
for letters
b) there is no advantage
c) the words have been chosen to be easily
pronounced by Asian cultures
d) it preserves traditions begun in the early days of
Amateur Radio
Question from 134 to 136 relates to this diagram below:
134. In this diagram the item U corresponds to the
a) boom c) driven element
b) reflector d) dIrector
135. In this diagram the item V corresponds to the
a) boom c) driven element
b) reflector d) director
136. In this diagram the item X corresponds to the
a) boom c) driven element
b) reflector d) director
137. How does a spectrum analyzer differ from a
conventional time-domain oscilloscope
a) A spectrum analyzer measures ionospheric
reflection; an oscilloscope displays electrical signals
b) A spectrum analyser displays signals in the time
domain; an oscilloscope displays signals in the
frequency domain
c) A spectrum analyzer displays signals in the
frequency domain; an oscilloscope displays signals
in the time domain
d) A spectrum analyzer disptays radio frequencies; an
oscilloscope displays audio frequencies
138. What instrument can be used to determine the
horizontal radiation pattern of an antenna?
a) a field-strength meter
b) a grid-dip meter
c) an oscilloscope
d) a signal tracer & an audio amplifier
139. What can a logic probe indicate about a digital logic
circuit?
a) a short-cir fault
b) an open-circuit fault
c) the resistance between logic modules
d) the high & low logic states
140. What does a frequency counter do?
a) It makes frequency measurements
b) It produces a reference frequency
b) It measures FM transmitter deviation
d) It generates broadband white noise
141. A mains operated DC power supply
a) Converts DC from the mains into AC of the same
voltage
b) Converts energy from the mains into DC for operating
electronic equipment
c) Is a diode-capacitor device for measuring mains power
d) Is a diode-choked device for measuring inductance
power
142. A low pass filter will:
a) suppress sub-harmonics
b) reduce harmonics
c) always eliminate interference
d) improve harmonic radiation
143. An antenna Balun is:
a) a balance to unbalance transformer
b) a mains transformer
c) a single winding inductor
d) a semiconductor device
144. What is simplex operation?
a) transmitting and receiving on the same frequency
b) transmitting and receiving over a wide area
c) transmitting on one frequency and receiving on
another
d) transmitting one-way communications

13. Radio Amateur Examination - Page 12/18
145. The main purpose of a repeater is:
a) to improve communication between mobile stations
b) to provide a convenient frequency for local nets
c) to aid DX working during lift conditions
d) to aid propagation studies
146. The standard tone use for amateur repeaters in
Malaysia is
a) 203.5 MHz c) 103.5 Hz
b) 203.5 Hz d) 250.3 Hz
147. What is a band plan
a) a voluntary guideline beyond the divisions
established by the MCMC for using different
operating modes within an amateur band
b) a guideline from the MCMC for making amateur
frequency bank allocations
c) a plan of operating schedules within an amateur
bank published by the MCMC
d) a plan devised by a club to best use a frequency
band during a contest
148. What is the proper distress call to use when
operating CW (carrier wave)
a) MAYDAY c) ORZ
b) QRRR d) SOS
149. In the RST code, T stands for:
a) temperature c) tone
b) lime d) lransmitter
150. If you are communicating with another amateur
station and hear a station in distress break in, what
should you do?
a) continue your communication because you were on
frequency first
b) acknowledge the station in distress and determine
its location and what assistance may be needed
c) change to a different frequency so the station in
distress may have a clear channel to call for
assistance
d) immediately cease all transmissions because
stations in distress have emergency rights to the
frequency
151. If the MARTS 2 meter-net is about to begin on a
frequency which you and another station are using,
what should you do?
a) as a courtesy to the net, move to a different
frequency
b) increase your power output to ensure that all net
participants can hear you
c) transmit as long as possible on the frequency so that
no other stations may use it
d) turn off your radio
152 When conversing via a VHF or UHF repeater you
should pause between overs for about
a) half a second c) 30 seconds
b) 3 seconds d) several minutes
153. The standard frequency offset (split) for 2 meter
repeaters in Malaysia is
a) Plus 600 kHz c) minus 5 MHz
b) minus 600 kHz d) plus 5 MHz
154. The radiation pattern below is typical of:
a) a half wave dipole
b) a quarter way,
c) a beam antenna
d) a Marconi antenna
155. The antenna below is representative of:
a) a Yagi c) a dipole
b) a long wire d) a monopole
156. AGC stands for:
a) Amplified gain control
b) auxiliary gain cut-off
c). automatic ganging control
d) automatic gain control
157. Over driving a power amplifier will:
a) give a high SWR
b) give minimum distortion on receive
c) generate excessive harmonics
d) minimize power output

14. Radio Amateur Examination - Page 13/18
158. A radio wave may follow two or more different paths
during propagation and produce slowly-changing
phase differences between signals at the receiver
resulting in a phenomenon called
a) Absorption c) baffling
b) Fading d) skip
159. The distance between the transmitter and the nearest
point at which the received signal is received from
ionospheric propagation is known as the
a) skip distance c) radiation distance
b) skip angle d) skip zone
160. VHF and UHF bands are frequently used for satellite
communication because
a) Waves at these frequencies travel to & from the
satellite relatively unaffected by the ionosphere
b) The Doppler frequency change caused by satellite
motion is much less than at HF
c) Satellites move too fast for HF waves to follow
d) The Doppler effect would cause HF waves to be
shifted into the VHF and UHF bands
161. A line of sight transmission between two stations
uses mainly the
a) ionosphere c) troposphere
b) skyways d) ground wave
162. When using voice, which of the following modes of
transmissions required the least bandwidth?
a) single sideband
b) amplitude modulation
c) frequency modulation
d) phase modulation
163. Which of the following antenna arrangements is
least likely to radiate harmonics?
a) a dipole ted with coaxial cable
b) a dipole fed with balanced feeder
c) an inverted L-Marconi with vertical feeder
d) a trap dipole
164. To obtain high frequency stability in a transmitter,
the VFO should be:
a) Run from a non-regulated AC supply
b) powered from a regulated DC supply
c) In a ptastic box
d) able to change frequency with temperature
165. The process of modulation allows
a) Information to be impresses on to a ca
b) Information to be removed from a carrier
c) Voice and Morse code to be combined
d) None of these
166. In figure N7-2, if block 1 is a transceiver and block 3 is
an antenna switch, what is block 2
a) a terminal-node switch
b) an SWR meter
c) a dipole antenna
d) a high-pass filter
167. Harmonic frequencies are
a) Always lower in the frequency than the fundamental
frequency
b) At multiples of the fundamental frequency
c) Any unwanted frequency above the fundamental
frequency
d) Any frequency causing TVI
168. Unwanted signals from a radio transmitter which cause
harmful interference to other users are known as
a) Rectified signals
b) Re-radiation signals
c) Reflected signals
d) Harmonic signals and spurious signals
169. To reduce the harmonic output from a high frequency
transmitter, the following filter is usually installed at the
transmitter
a) band pass c) Low pass
b) high pass d) Active filter
170. Define the mode F3E
a) phase-modulated telephony
b) double-sideband telephony
c) single-sideband, suppressed carrier, telephony
d) frequency-modulated telephony

15. Radio Amateur Examination - Page 14/18
171. What is meant by antenna gain
a) the numerical ratio relating the radiated signal
strength of an antenna to that of another antenna
b) the numerical ratio of the signal in the foRvard
direction to the signal in the back direction
c) the numerical ratio of the amount of power radiated
by an antenna compared tot eh transmitter output
power
d) the final amplifier gain minus the transmission-line
losses (including any phasing lines present)
172. A neighbour using a TV set top antenna complains
of interference when you are transmitting at VHF. As
a first step to eliminating this problem you could
suggest:
a) better coaxial cable on their antenna
b) they use a preamplifier
c) they use a roof mounted antenna
d) their set is no good
173. Why should you wear a hard hat and safety glasses
if you are on the ground helping someone work on
an antenna tower
a) so you wont hurt if the tower should accidentally fall
b) to keep RF energy away from your head during
antenna testing
c) to protect your head from something dropped from
the tower
d) so someone passing by wilt know that work is being
done on the tower and wilt stay away
174. What safety factors must you consider when using a
bow and arrow or slingshot and weight to shoot an
antenna- support tine over a tree
a) you must ensure that the line is strong enough to
withstand the shock of shooting the weight
b) you must ensure that the arrow or weight has a sage
flight path if the line breaks
c) you must ensure that the bow and arrow or slingshot
is in good working condition
d) all of these choices are correct
175. A Class C amplifier operates over:
a) the complete cycle
b) three quarters of a cycle
c) exactly half a cycle
d) less than half a cycle
176 Which of the following represents over-modulation on
an AM signal?
177. The designation F3E stands for:
a) telegraphy by frequency shift keying
b) telegraphy by on-off keying of a modulating audio
frequency
c) frequency modulation by voice
d) facsimile transmission
178. A simple beam is shown below. The names of the
elements in numerical order are:
a) radiator, director, reflector
b) director, radiator, reflector
c) director reflector, radiator
d) reflector, radiator, director
179. Which of the following represents 100% amplitude
modulation?

16. Radio Amateur Examination - Page 15/18
180. A typical arrangement of equipment is shown below.
The SWR meter should be placed at:
a) A c) C
b) B d) D
181. The ‘calling frequency’ for 2 meter band is:
a) V40 - 145.55OMHz c) V40 - 145.500 MHz
b) V40 - 145.300 MHz d) V40 - 145.200 MHz
182. Which of the following operating conditions of the
power amplifier stage of a-transmitter is likely to
produce the highest harmonic content in the output
waveform?
a) Class C c) Class B
b) Class AB d) Class A
183. What is a loop antenna?
a) a large circularty-polarised antenna
b) a small coil of wire tightly wound around a toraidal
ferrite core
c) several turns of wire wound in the shape of a large
open coil
d) any antenna coupled to a feed line through an
inductive loop of wire
184. What device is used in place of an antenna during
transmitter tests so that no signal is radiated
a) an antenna matcher
b) a dummy load
c) a low-pass titter
d) a decoupling resistor
185. What phenomenon has the most effect on radio
communication beyond ground-wave or line-of-sight
ranges
a) solar activity
b) lunar tidal effects
c) the Fl region of the ionosphere
d) the F2 region of the ionosphere
186. The ionosphere layer mainly responsible for long
distance communication at HF is:
a) D c) E
b) F2 d) F1
187. To prevent unwanted radiation in the shack, RF
connections between units should be by
a) open wire feeder
b) good quality coaxidel cable
c) bell wire
d) mains type cable
188. What is the proper procedure for suppressing electrical
noise in a mobile transceiver
a) apply shielding and filtering where necessary
b) insulate alt place sheet metal surfaces from each other
c) apply antistatic spray liberally to all non-metallic
surfaces
d) install filter capacitors in series with all DC wiring
189. The resonant frequency of a tuned circuit can be
checked by:
a) a DC Voltmeter
b) a DIP Oscillator
c) a Digital Frequency Meter
d) an Ohm-Meter
190. Spurious oscillations may be caused by:
a) self resonance of a carbon resistor
b) self resonance in diode
c) self resonance of an RF choke
d) damping
191. The correct order for caitsign in a calisign exchange at
the start and end of a transmission is
a) the other cailsign followed by your own cailsign
b) your cailsign followed by the other cailsign
c) your own calisign, repeated twice
d) the other cailsign, repeated twice
192. A signal report of’S and 9’ indicates
a) very low intelligibility but good signal strength
b) perfect intelligibility but very low signal strength
c) perfect intelligibility, high signal strength
d) medium intelligibility and signal strength
193. The standard frequency offset (split) for 70 cm
repeaters in Malaysia is
a) plus 600 kHz c) minus 500 kHz
b) minus 5 MHz d) plus 5 MHz

17. Radio Amateur Examination - Page 16/18
194. The squelch or muting circuitry on a VHF receiver
a) inhibits the audio output unless a station is being
received
b) compresses incoming voice signals to make them
more intelligible
c) reduces audio burst noise due to lightning emissions
d) reduces the noise on incoming signals
195. In a CW contact WX refers to:
a) working conditions b) weather
c) wife d) type of antenna
196. The priority on usage of any amateur radio repeater
is
a) base station to base station
b) portable station to mobile station
c) mobile station to mobile station
d) answer b & c above
197. What is the activity known as fox hunting
a) amateurs using receivers and direction-finding
techniques attempt to locate a hidden transmitter
b) amateurs using transmitting equipment and
direction- finding techniques attempt to locate a
hidden receiver
c) amateurs helping the government track radio-
transmitter collars attached to animals
d) amateurs assemble stations using generators and
portable antennas to test their emergency
communications skills
198. What does a very high SWR reading mean
a) the antenna is not tuned, or there may be an open or
shorted connection somewhere in the feed line
b) the signals coming from the antenna are unusually
strong, which means very good radio conditions
c) the transmitter is putting out more power than normal,
showing that it is about to go bad
d) there is a large amount of solar radiation, which means
very poor radio conditions
199. VOX stands for
a) volume operated extension speaker
b) variable oscillator transmitter
c) voice operated transmit
d) voice operated expander
200. Define Peak Envelope Power
a) means power supplied to an antenna by a radio
receiver in a condition of no modulation
b) means the average power supplied to the antenna
transmission lines by a transmitter during one radio-
frequency cycle at the highest crest of the modulation
envelope taken under conditions of normal operation
c) means the average power that is supplied to the
antenna transmission lines in a condition of no
modulation
d) means the average power that is supplied to the
antenna in a condition where such power does not
create a danger to life

18. Radio Amateur Examination - Page 17/18
ANSWERS
1. B
2. D
3. B
4. A
5. C
6. C
7. D
8. B
9. B
10. B
11. B
12. B
13. B
14. C
15. C
16. D
17. C
18. D
19. A
20. C
21. D
22. A
23. B
24. A
25. B
26. B
27. C
28. B
29. C
30. C
31. D
32. A
33. C
34. B
35. C
36. D
37. B
38. D
39. D
40. A
41. D
42. C
43. A
44. B
45. C
46. D
47. D
48. C
49. B
50. C
51. D
52. B
53. D
54. B
55. D
56. B
57. D
58. A
59. C
60. D
61. A
62. C
63. D
64. A
65. C
66. C
67. D
68. B
69. D
70. A
71. A
72. B
73. A
74. A
75. B
76. B
77. D
78. D
79. A
80. A
81. C
82. B
83. A
84.
85. B
86. B
87. C
88. D
89. A
90.
91. D
92.
93. D
94. B
95. B
96. D
97. B
98. C
99. B
100. C
101. A
102. B
103. D
104. D
105. A
106. C
107. C
108. C
109. C
110. C
111. D
112. A
113. B
114. D
115. B
116. B
117. C
118. C
119. B
120. A
121. D
122. D
123. D
124. B
125. A
126. A
127. A
128. B
129. A
130. C
131. D
132. C
133. A
134. A
135. B
136. D
137. C
138. A
139. D
140. B
141. A
142. B
143. A
144. A
145. A
146. A
147. A
148. D
149. C
150. B
151. A
152. B
153. B
154. C
155. C
156. D
157. C
158. B
159. A
160. B
161. C
162. A
163. B
164. B
165. A
166. B
167. B
168. D
169. C
170. D
171. C
172. C
173. C
174. D
175. D
176. A
177. C
178. D
179. B
180. A
181. C
182. A
183. C
184. B
185. A
186. B
187. B
188. A
189. B
190. C
191. A
192. C
193. B
194. A
195. C
196. D
197. A
198. A
199. C
200. B

19. Radio Amateur Examination - Page 18/18
ANSWERS SHEET
1. A B C D
2. A B C D
3. A B C D
4. A B C D
5. A B C D
6. A B C D
7. A B C D
8. A B C D
9. A B C D
10. A B C D
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12. A B C D
13. A B C D
14. A B C D
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16. A B C D
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20. A B C D
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30. A B C D
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35. A B C D
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160. A B C D
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162. A B C D
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165. A B C D
166. A B C D
167. A B C D
168. A B C D
169. A B C D
170. A B C D
171. A B C D
172. A B C D
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174. A B C D
175. A B C D
176. A B C D
177. A B C D
178. A B C D
179. A B C D
180. A B C D
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183. A B C D
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187. A B C D
188. A B C D
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190. A B C D
191. A B C D
192. A B C D
193. A B C D
194. A B C D
195. A B C D
196. A B C D
197. A B C D
198. A B C D
199. A B C D
200. A B C D