FCC Question ID
E1A05
What is the maximum power output permitted on the 60 meter band?
50 watts PEP effective radiated power relative to an isotropic radiator
50 watts PEP effective radiated power relative to a dipole
100 watts PEP effective radiated power relative to the gain of a half-wave dipole
100 watts PEP effective radiated power relative to an isotropic radiator
E1B06
Which of the following additional rules apply if you are installing an amateur station antenna at a site at or near a public use airport?
You may have to notify the Federal Aviation Administration and register it with the FCC as required by Part 17 of FCC rules
No special rules apply if your antenna structure will be less than 300 feet in height
You must file an Environmental Impact Statement with the EPA before construction begins
You must obtain a construction permit from the airport zoning authority
E1C13
Which of the following is required in order to operate in accordance with CEPT rules in foreign countries where permitted?
You must identify in the official language of the country in which you are operating
The U.S. embassy must approve of your operation
You must bring a copy of FCC Public Notice DA 11-221
You must append "/CEPT" to your call sign
E1D03
What is a telecommand station in the amateur satellite service?
An amateur station located on the Earth’s surface for communication with other Earth stations by means of Earth satellites
An amateur station that transmits communications to initiate, modify or terminate functions of a space station
An amateur station located more than 50 km above the Earth’s surface
An amateur station that transmits telemetry consisting of measurements of upper atmosphere data
E1E07
What should a VE do if a candidate fails to comply with the examiner’s instructions during an amateur operator license examination?
Warn the candidate that continued failure to comply will result in termination of the examination
Immediately terminate the candidate’s examination
Allow the candidate to complete the examination, but invalidate the results
Immediately terminate everyone’s examination and close the session
E1F05
Amateur stations may not transmit in which of the following frequency segments if they are located in the contiguous 48 states and north of Line A?
440 MHz - 450 MHz
53 MHz - 54 MHz
222 MHz - 223 MHz
420 MHz - 430 MHz
E2A10
Why may the received signal from an amateur satellite exhibit a rapidly repeating fading effect?
Because the satellite is spinning
Because of ionospheric absorption
Because of the satellite's low orbital altitude
Because of the Doppler Effect
E2B13
How many lines are commonly used in each frame of an amateur slow-scan color television picture?
E2C11
How should you generally identify your station when attempting to contact a DX station during a contest or in a pileup?
Send your full call sign once or twice
Send only the last two letters of your call sign until you make contact
Send your full call sign and grid square
Send the call sign of the DX station three times, the words "this is", then your call sign three times
E2D14
What is one advantage of using JT65 coding?
Uses only a 65 Hz bandwidth
The ability to decode signals which have a very low signal to noise ratio
Easily copied by ear if necessary
Permits fast-scan TV transmissions over narrow bandwidth
E2E04
What is indicated when one of the ellipses in an FSK crossed-ellipse display suddenly disappears?
Selective fading has occurred
One of the signal filters is saturated
The receiver has drifted 5 kHz from the desired receive frequency
The mark and space signal have been inverted
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
E3B12
What is the primary characteristic of chordal hop propagation?
Propagation away from the great circle bearing between stations
Successive ionospheric reflections without an intermediate reflection from the ground
Propagation across the geomagnetic equator
Signals reflected back toward the transmitting station
E3C02
What is indicated by a rising A or K index?
Increasing disruption of the geomagnetic field
Decreasing disruption of the geomagnetic field
Higher levels of solar UV radiation
An increase in the critical frequency
E4A07
Which of the following is an advantage of using an antenna analyzer compared to an SWR bridge to measure antenna SWR?
Antenna analyzers automatically tune your antenna for resonance
Antenna analyzers do not need an external RF source
Antenna analyzers display a time-varying representation of the modulation envelope
All of these choices are correct
E4B08
Which of the following is a characteristic of a good DC voltmeter?
High reluctance input
Low reluctance input
High impedance input
Low impedance input
E4C08
An SDR receiver is overloaded when input signals exceed what level?
One-half the maximum sample rate
One-half the maximum sampling buffer size
The maximum count value of the analog-to-digital converter
The reference voltage of the analog-to-digital converter
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
E4E11
Which is the most likely cause if you are hearing combinations of local AM broadcast signals within one or more of the MF or HF ham bands?
The broadcast station is transmitting an over-modulated signal
Nearby corroded metal joints are mixing and re-radiating the broadcast signals
You are receiving sky wave signals from a distant station
Your station receiver IF amplifier stage is defective
E5A02
What is resonance in an electrical circuit?
The highest frequency that will pass current
The lowest frequency that will pass current
The frequency at which the capacitive reactance equals the inductive reactance
The frequency at which the reactive impedance equals the resistive impedance
E5B10
What is the relationship between the current through an inductor and the voltage across an inductor?
Voltage leads current by 90 degrees
Current leads voltage by 90 degrees
Voltage and current are 180 degrees out of phase
Voltage and current are in phase
E5C14
Which point on Figure E5-2 best represents the impedance of a series circuit consisting of a 400 ohm resistor and a 38 picofarad capacitor at 14 MHz?
E5D13
How much power is consumed in a circuit consisting of a 100 ohm resistor in series with a 100 ohm inductive reactance drawing 1 ampere?
E6A03
Why does a PN-junction diode not conduct current when reverse biased?
Only P-type semiconductor material can conduct current
Only N-type semiconductor material can conduct current
Holes in P-type material and electrons in the N-type material are separated by the applied voltage, widening the depletion region
Excess holes in P-type material combine with the electrons in N-type material, converting the entire diode into an insulator
E6B06
Which of the following is a common use of a hot-carrier diode?
As balanced mixers in FM generation
As a variable capacitance in an automatic frequency control circuit
As a constant voltage reference in a power supply
As a VHF/UHF mixer or detector
E6C08
In Figure E6-5, what is the schematic symbol for a NAND gate?
E6D15
What is current in the primary winding of a transformer called if no load is attached to the secondary?
Magnetizing current
Direct current
Excitation current
Stabilizing current
E6E09
Which of the following component package types would be most suitable for use at frequencies above the HF range?
E6F09
What is the efficiency of a photovoltaic cell?
The output RF power divided by the input DC power
The effective payback period
The open-circuit voltage divided by the short-circuit current under full illumination
The relative fraction of light that is converted to current
E7A05
Which of the following is a circuit that continuously alternates between two states without an external clock?
Monostable multivibrator
J-K flip-flop
T flip-flop
Astable multivibrator
E7B14
Why are switching amplifiers more efficient than linear amplifiers?
Switching amplifiers operate at higher voltages
The power transistor is at saturation or cut off most of the time, resulting in low power dissipation
Linear amplifiers have high gain resulting in higher harmonic content
Switching amplifiers use push-pull circuits
E7C13
What is one advantage of a Pi-matching network over an L-matching network consisting of a single inductor and a single capacitor?
The Q of Pi-networks can be varied depending on the component values chosen
L-networks cannot perform impedance transformation
Pi-networks have fewer components
Pi-networks are designed for balanced input and output
E7D08
What type of circuit is shown in Figure E7-3?
Switching voltage regulator
Grounded emitter amplifier
Linear voltage regulator
Emitter follower
E7E02
What is the function of a reactance modulator?
To produce PM signals by using an electrically variable resistance
To produce AM signals by using an electrically variable inductance or capacitance
To produce AM signals by using an electrically variable resistance
To produce PM signals by using an electrically variable inductance or capacitance
E7F05
How frequently must an analog signal be sampled by an analog-to-digital converter so that the signal can be accurately reproduced?
At half the rate of the highest frequency component of the signal
At twice the rate of the highest frequency component of the signal
At the same rate as the highest frequency component of the signal
At four times the rate of the highest frequency component of the signal
E7G09
What will be the output voltage of the circuit shown in Figure E7-4 if R1 is 1000 ohms, RF is 10,000 ohms, and 0.23 volts DC is applied to the input?
E7H09
What type of frequency synthesizer circuit uses a phase accumulator, lookup table, digital to analog converter, and a low- pass anti-alias filter?
A direct digital synthesizer
A hybrid synthesizer
A phase locked loop synthesizer
A diode-switching matrix synthesizer
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
E8C07
What is the necessary bandwidth of a 4800-Hz frequency shift, 9600-baud ASCII FM transmission?
E8D08
What parameter might indicate that excessively high input levels are causing distortion in an AFSK signal?
Signal to noise ratio
Baud rate
Repeat Request Rate (RRR)
Intermodulation Distortion (IMD)
E9A03
Why would one need to know the feed point impedance of an antenna?
To match impedances in order to minimize standing wave ratio on the transmission line
To measure the near-field radiation density from a transmitting antenna
To calculate the front-to-side ratio of the antenna
To calculate the front-to-back ratio of the antenna
E9B12
What is the far field of an antenna?
The region of the ionosphere where radiated power is not refracted
The region where radiated power dissipates over a specified time period
The region where radiated field strengths are obstructed by objects of reflection
The region where the shape of the antenna pattern is independent of distance
E9C06
What is the effect of a terminating resistor on a rhombic antenna?
It reflects the standing waves on the antenna elements back to the transmitter
It changes the radiation pattern from bidirectional to unidirectional
It changes the radiation pattern from horizontal to vertical polarization
It decreases the ground loss
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
E9E10
Which of these choices is an effective way to match an antenna with a 100 ohm feed point impedance to a 50 ohm coaxial cable feed line?
Connect a 1/4-wavelength open stub of 300 ohm twin-lead in parallel with the coaxial feed line where it connects to the antenna
Insert a 1/2 wavelength piece of 300 ohm twin-lead in series between the antenna terminals and the 50 ohm feed cable
Insert a 1/4-wavelength piece of 75 ohm coaxial cable transmission line in series between the antenna terminals and the 50 ohm feed cable
Connect a 1/2 wavelength shorted stub of 75 ohm cable in parallel with the 50 ohm cable where it attaches to the antenna
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
E9G01
Which of the following can be calculated using a Smith chart?
Impedance along transmission lines
Radiation resistance
Antenna radiation pattern
Radio propagation
E9H08
What is the function of a sense antenna?
It modifies the pattern of a DF antenna array to provide a null in one direction
It increases the sensitivity of a DF antenna array
It allows DF antennas to receive signals at different vertical angles
It provides diversity reception that cancels multipath signals
E0A03
Which of the following would be a practical way to estimate whether the RF fields produced by an amateur radio station are within permissible MPE limits?
Use a calibrated antenna analyzer
Use a hand calculator plus Smith-chart equations to calculate the fields
Use an antenna modeling program to calculate field strength at accessible locations
All of the choices are correct