FCC Question ID
E1A11
Which of the following describes authorization or licensing required when operating an amateur station aboard a U.S.- registered vessel in international waters?
Any amateur license with an FCC Marine or Aircraft endorsement
Any FCC-issued amateur license
Only General class or higher amateur licenses
An unrestricted Radiotelephone Operator Permit
E1B04
What must be done before placing an amateur station within an officially designated wilderness area or wildlife preserve, or an area listed in the National Register of Historical Places?
A proposal must be submitted to the National Park Service
A letter of intent must be filed with the National Audubon Society
An Environmental Assessment must be submitted to the FCC
A form FSD-15 must be submitted to the Department of the Interior
E1C05
When may an automatically controlled station originate third party communications?
Never
Only when transmitting RTTY or data emissions
When agreed upon by the sending or receiving station
When approved by the National Telecommunication and Information Administration
E1D05
What class of licensee is authorized to be the control operator of a space station?
All except Technician Class
Only General, Advanced or Amateur Extra Class
Any class with appropriate operator privileges
Only Amateur Extra Class
E1E10
What must the administering VEs do after the administration of a successful examination for an amateur operator license?
They must collect and send the documents to the NCVEC for grading
They must collect and submit the documents to the coordinating VEC for grading
They must submit the application document to the coordinating VEC according to the coordinating VEC instructions
They must collect and send the documents to the FCC according to instructions
E1F03
Under what circumstances may a dealer sell an external RF power amplifier capable of operation below 144 MHz if it has not been granted FCC certification?
It was purchased in used condition from an amateur operator and is sold to another amateur operator for use at that operator's station
The equipment dealer assembled it from a kit
It was imported from a manufacturer in a country that does not require certification of RF power amplifiers
It was imported from a manufacturer in another country and was certificated by that country’s government
E2A02
What is the direction of a descending pass for an amateur satellite?
From north to south
From west to east
From east to west
From south to north
E2B13
How many lines are commonly used in each frame of an amateur slow-scan color television picture?
E2C08
Which of the following contacts may be confirmed through the U.S. QSL bureau system?
Special event contacts between stations in the U.S.
Contacts between a U.S. station and a non-U.S. station
Repeater contacts between U.S. club members
Contacts using tactical call signs
E2D07
What digital protocol is used by APRS?
E2E03
How is the timing of JT65 contacts organized?
By exchanging ACK/NAK packets
Stations take turns on alternate days
Alternating transmissions at 1 minute intervals
It depends on the lunar phase
E3A02
What characterizes libration fading of an EME signal?
A slow change in the pitch of the CW signal
A fluttery irregular fading
A gradual loss of signal as the Sun rises
The returning echo is several hertz lower in frequency than the transmitted signal
E3B05
Which amateur bands typically support long-path propagation?
160 meters to 40 meters
30 meters to 10 meters
160 meters to 10 meters
6 meters to 2 meters
E3C12
How does the maximum distance of ground-wave propagation change when the signal frequency is increased?
It stays the same
It increases
It decreases
It peaks at roughly 14 MHz
E4A08
Which of the following instruments would be best for measuring the SWR of a beam antenna?
E4B09
What is indicated if the current reading on an RF ammeter placed in series with the antenna feed line of a transmitter increases as the transmitter is tuned to resonance?
There is possibly a short to ground in the feed line
The transmitter is not properly neutralized
There is an impedance mismatch between the antenna and feed line
There is more power going into the antenna
E4C12
What is an undesirable effect of using too wide a filter bandwidth in the IF section of a receiver?
Output-offset overshoot
Filter ringing
Thermal-noise distortion
Undesired signals may be heard
E4D07
Which describes the most significant effect of an off-frequency signal when it is causing cross-modulation interference to a desired signal?
A large increase in background noise
A reduction in apparent signal strength
The desired signal can no longer be heard
The off-frequency unwanted signal is heard in addition to the desired signal
E4E08
What type of signal is picked up by electrical wiring near a radio antenna?
A common-mode signal at the frequency of the radio transmitter
An electrical-sparking signal
A differential-mode signal at the AC power line frequency
Harmonics of the AC power line frequency
E5A09
How is the Q of an RLC parallel resonant circuit calculated?
Reactance of either the inductance or capacitance divided by the resistance
Reactance of either the inductance or capacitance multiplied by the resistance
Resistance divided by the reactance of either the inductance or capacitance
Reactance of the inductance multiplied by the reactance of the capacitance
E5B05
What happens to the magnitude of a reactance when it is converted to a susceptance?
It is unchanged
The sign is reversed
It is shifted by 90 degrees
The magnitude of the susceptance is the reciprocal of the magnitude of the reactance
E5C16
Which point on Figure E5-2 best represents the impedance of a series circuit consisting of a 300 ohm resistor and a 19 picofarad capacitor at 21.200 MHz?
E5D08
What type of energy is stored in an electromagnetic or electrostatic field?
Electromechanical energy
Potential energy
Thermodynamic energy
Kinetic energy
E6A01
In what application is gallium arsenide used as a semiconductor material in preference to germanium or silicon?
In high-current rectifier circuits
In high-power audio circuits
In microwave circuits
In very low frequency RF circuits
E6B01
What is the most useful characteristic of a Zener diode?
A constant current drop under conditions of varying voltage
A constant voltage drop under conditions of varying current
A negative resistance region
An internal capacitance that varies with the applied voltage
E6C12
What is BiCMOS logic?
A logic device with two CMOS circuits per package
A FET logic family based on bimetallic semiconductors
A logic family based on bismuth CMOS devices
An integrated circuit logic family using both bipolar and CMOS transistors
E6D02
What is the equivalent circuit of a quartz crystal?
Motional capacitance, motional inductance, and loss resistance in series, all in parallel with a shunt capacitor representing electrode and stray capacitance
Motional capacitance, motional inductance, loss resistance, and a capacitor representing electrode and stray capacitance all in parallel
Motional capacitance, motional inductance, loss resistance, and a capacitor representing electrode and stray capacitance all in series
Motional inductance and loss resistance in series, paralleled with motional capacitance and a capacitor representing electrode and stray capacitance
E6E08
How is voltage from a power supply normally furnished to the most common type of monolithic microwave integrated circuit (MMIC)?
Through a resistor and/or RF choke connected to the amplifier output lead
MMICs require no operating bias
Through a capacitor and RF choke connected to the amplifier input lead
Directly to the bias voltage (VCC IN) lead
E6F14
Which of the following is true of LCD displays?
They are hard to view in high ambient light conditions
They may be hard to view through polarized lenses
They only display alphanumeric symbols
All of these choices are correct
E7A07
What logical operation does a NAND gate perform?
It produces logic "0" at its output only when all inputs are logic "0"
It produces logic "1" at its output only when all inputs are logic "1"
It produces logic "0" at its output if some but not all inputs are logic "1"
It produces logic "0" at its output only when all inputs are logic "1"
E7B12
What type of amplifier circuit is shown in Figure E7-1?
E7C11
Which of the following is the common name for a filter network which is equivalent to two L-networks connected back-to- back with the two inductors in series and the capacitors in shunt at the input and output?
E7D14
What is one purpose of a "bleeder" resistor in a conventional unregulated power supply?
To cut down on waste heat generated by the power supply
To balance the low-voltage filament windings
To improve output voltage regulation
To boost the amount of output current
E7E11
Which type of detector is used for demodulating SSB signals?
E7F08
What is the function of decimation with regard to digital filters?
Converting data to binary code decimal form
Reducing the effective sample rate by removing samples
Attenuating the signal
Removing unnecessary significant digits
E7G01
What is the typical output impedance of an integrated circuit op-amp?
E7H10
What information is contained in the lookup table of a direct digital frequency synthesizer?
The phase relationship between a reference oscillator and the output waveform
The amplitude values that represent a sine-wave output
The phase relationship between a voltage-controlled oscillator and the output waveform
The synthesizer frequency limits and frequency values stored in the radio memories
E8A13
Which of these methods is commonly used to convert analog signals to digital signals?
Sequential sampling
Harmonic regeneration
Level shifting
Phase reversal
E8B07
Orthogonal Frequency Division Multiplexing is a technique used for which type of amateur communication?
High speed digital modes
Extremely low-power contacts
EME
OFDM signals are not allowed on amateur bands
E8C11
What is the relationship between symbol rate and baud?
They are the same
Baud is twice the symbol rate
Symbol rate is only used for packet-based modes
Baud is only used for RTTY
E8D06
Which of the following indicates likely overmodulation of an AFSK signal such as PSK or MFSK?
High reflected power
Strong ALC action
Harmonics on higher bands
Rapid signal fading
E9A04
Which of the following factors may affect the feed point impedance of an antenna?
Transmission-line length
Antenna height, conductor length/diameter ratio and location of nearby conductive objects
The settings of an antenna tuner at the transmitter
Sunspot activity and time of day
E9B16
How many elevation lobes appear in the forward direction of the antenna radiation pattern shown in Figure E9-2?
E9C11
How is the far-field elevation pattern of a vertically polarized antenna affected by being mounted over seawater versus rocky ground?
The low-angle radiation decreases
The high-angle radiation increases
Both the high-angle and low-angle radiation decrease
The low-angle radiation increases
E9D05
What is a disadvantage of using a multiband trapped antenna?
It might radiate harmonics
It radiates the harmonics and fundamental equally well
It is too sharply directional at lower frequencies
It must be neutralized
E9E04
What is the purpose of the series capacitor in a gamma-type antenna matching network?
To provide DC isolation between the feed line and the antenna
To cancel the inductive reactance of the matching network
To provide a rejection notch that prevents the radiation of harmonics
To transform the antenna impedance to a higher value
E9F08
What is the term for the ratio of the actual speed at which a signal travels through a transmission line to the speed of light in a vacuum?
Velocity factor
Characteristic impedance
Surge impedance
Standing wave ratio
E9G11
How are the wavelength scales on a Smith chart calibrated?
In fractions of transmission line electrical frequency
In fractions of transmission line electrical wavelength
In fractions of antenna electrical wavelength
In fractions of antenna electrical frequency
E9H01
When constructing a Beverage antenna, which of the following factors should be included in the design to achieve good performance at the desired frequency?
Its overall length must not exceed 1/4 wavelength
It must be mounted more than 1 wavelength above ground
It should be configured as a four-sided loop
It should be one or more wavelengths long
E0A05
What is one of the potential hazards of using microwaves in the amateur radio bands?
Microwaves are ionizing radiation
The high gain antennas commonly used can result in high exposure levels
Microwaves often travel long distances by ionospheric reflection
The extremely high frequency energy can damage the joints of antenna structures