FCC Question ID
E1A07
Which amateur band requires transmission on specific channels rather than on a range of frequencies?
E1B10
What frequencies are authorized to an amateur station operating under RACES rules?
All amateur service frequencies authorized to the control operator
Specific segments in the amateur service MF, HF, VHF and UHF bands
Specific local government channels
Military Auxiliary Radio System (MARS) channels
E1C01
What is a remotely controlled station?
A station operated away from its regular home location
A station controlled by someone other than the licensee
A station operating under automatic control
A station controlled indirectly through a control link
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
E1E11
What must the VE team do if an examinee scores a passing grade on all examination elements needed for an upgrade or new license?
Photocopy all examination documents and forward them to the FCC for processing
Three VEs must certify that the examinee is qualified for the license grant and that they have complied with the administering VE requirements
Issue the examinee the new or upgrade license
All these choices are correct
E1F02
What privileges are authorized in the U.S. to persons holding an amateur service license granted by the government of Canada?
None, they must obtain a U.S. license
All privileges of the Extra Class license
The operating terms and conditions of the Canadian amateur service license, not to exceed U.S. Extra Class privileges
Full privileges, up to and including those of the Extra Class License, on the 80, 40, 20, 15, and 10 meter bands
E2A05
What do the letters in a satellite's mode designator specify?
Power limits for uplink and downlink transmissions
The location of the ground control station
The polarization of uplink and downlink signals
The uplink and downlink frequency ranges
E2B06
What is vestigial sideband modulation?
Amplitude modulation in which one complete sideband and a portion of the other are transmitted
A type of modulation in which one sideband is inverted
Narrow-band FM modulation achieved by filtering one sideband from the audio before frequency modulating the carrier
Spread spectrum modulation achieved by applying FM modulation following single sideband amplitude modulation
E2C05
What is the function of a DX QSL Manager?
To allocate frequencies for DXpeditions
To handle the receiving and sending of confirmation cards for a DX station
To run a net to allow many stations to contact a rare DX station
To relay calls to and from a DX station
E2D11
Which of the following data are used by the APRS network to communicate your location?
Polar coordinates
Time and frequency
Radio direction finding spectrum analysis
Latitude and longitude
E2E02
What do the letters FEC mean as they relate to digital operation?
Forward Error Correction
First Error Correction
Fatal Error Correction
Final Error Correction
E3A11
What is a typical range for tropospheric propagation of microwave signals?
10 miles to 50 miles
100 miles to 300 miles
1200 miles
2500 miles
E3B04
What is meant by the terms extraordinary and ordinary waves?
Extraordinary waves describe rare long skip propagation compared to ordinary waves which travel shorter distances
Independent waves created in the ionosphere that are elliptically polarized
Long path and short path waves
Refracted rays and reflected waves
E3C04
What does the value of Bz (B sub Z) represent?
Geomagnetic field stability
Critical frequency for vertical transmissions
Direction and strength of the interplanetary magnetic field
Duration of long-delayed echoes
E4A09
When using a computer’s soundcard input to digitize signals, what is the highest frequency signal that can be digitized without aliasing?
The same as the sample rate
One-half the sample rate
One-tenth the sample rate
It depends on how the data is stored internally
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
E4C14
What transmit frequency might generate an image response signal in a receiver tuned to 14.300 MHz and which uses a 455 kHz IF frequency?
E4D10
What does a third-order intercept level of 40 dBm mean with respect to receiver performance?
Signals less than 40 dBm will not generate audible third-order intermodulation products
The receiver can tolerate signals up to 40 dB above the noise floor without producing third-order intermodulation products
A pair of 40 dBm signals will theoretically generate a third-order intermodulation product with the same level as the input signals
A pair of 1 mW input signals will produce a third-order intermodulation product which is 40 dB stronger than the input signal
E4E01
Which of the following types of receiver noise can often be reduced by use of a receiver noise blanker?
Ignition noise
Broadband white noise
Heterodyne interference
All of these choices are correct
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
E5B11
What is the phase angle between the voltage across and the current through a series RLC circuit if XC is 25 ohms, R is 100 ohms, and XL is 50 ohms?
14 degrees with the voltage lagging the current
14 degrees with the voltage leading the current
76 degrees with the voltage lagging the current
76 degrees with the voltage leading the current
E5C09
When using rectangular coordinates to graph the impedance of a circuit, what does the horizontal axis represent?
Resistive component
Reactive component
The sum of the reactive and resistive components
The difference between the resistive and reactive components
E5D04
Why are short connections necessary at microwave frequencies?
To increase neutralizing resistance
To reduce phase shift along the connection
Because of ground reflections
To reduce noise figure
E6A06
What is the beta of a bipolar junction transistor?
The frequency at which the current gain is reduced to 1
The change in collector current with respect to base current
The breakdown voltage of the base to collector junction
The switching speed of the transistor
E6B04
What type of semiconductor device is designed for use as a voltage-controlled capacitor?
Varactor diode
Tunnel diode
Silicon-controlled rectifier
Zener diode
E6C04
What is the primary advantage of tri-state logic?
Low power consumption
Ability to connect many device outputs to a common bus
High speed operation
More efficient arithmetic operations
E6D06
What core material property determines the inductance of a toroidal inductor?
E6E03
Which of the following materials is likely to provide the highest frequency of operation when used in MMICs?
E6F11
What is the approximate open-circuit voltage produced by a fully-illuminated silicon photovoltaic cell?
E7A11
What type of logic defines "1" as a high voltage?
E7B10
In Figure E7-1, what is the purpose of R1 and R2?
E7C02
Which of the following is a property of a T-network with series capacitors and a parallel shunt inductor?
It is a low-pass filter
It is a band-pass filter
It is a high-pass filter
It is a notch filter
E7D16
When several electrolytic filter capacitors are connected in series to increase the operating voltage of a power supply filter circuit, why should resistors be connected across each capacitor?
To equalize, as much as possible, the voltage drop across each capacitor
To provide a safety bleeder to discharge the capacitors when the supply is off
To provide a minimum load current to reduce voltage excursions at light loads
All of these choices are correct
E7E09
What occurs when an excessive amount of signal energy reaches a mixer circuit?
Spurious mixer products are generated
Mixer blanking occurs
Automatic limiting occurs
A beat frequency is generated
E7F13
What is the function of taps in a digital signal processing filter?
To reduce excess signal pressure levels
Provide access for debugging software
Select the point at which baseband signals are generated
Provide incremental signal delays for filter algorithms
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?
E7H06
Which of the following oscillator circuits are commonly used in VFOs?
Pierce and Zener
Colpitts and Hartley
Armstrong and deForest
Negative feedback and balanced feedback
E8A11
What type of information can be conveyed using digital waveforms?
Human speech
Video signals
Data
All of these choices are correct
E8B02
How does the modulation index of a phase-modulated emission vary with RF carrier frequency (the modulated frequency)?
It increases as the RF carrier frequency increases
It decreases as the RF carrier frequency increases
It varies with the square root of the RF carrier frequency
It does not depend on the RF carrier frequency
E8C04
What technique is used to minimize the bandwidth requirements of a PSK31 signal?
Zero-sum character encoding
Reed-Solomon character encoding
Use of sinusoidal data pulses
Use of trapezoidal data pulses
E8D11
What is one advantage of using ASCII code for data communications?
It includes built in error correction features
It contains fewer information bits per character than any other code
It is possible to transmit both upper and lower case text
It uses one character as a shift code to send numeric and special characters
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
E9B09
What type of computer program technique is commonly used for modeling antennas?
Graphical analysis
Method of Moments
Mutual impedance analysis
Calculus differentiation with respect to physical properties
E9C07
What is the approximate feed point impedance at the center of a two-wire folded dipole antenna?
E9D12
Which of the following would provide the best RF ground for your station?
A 50 ohm resistor connected to ground
An electrically short connection to a metal water pipe
An electrically short connection to 3 or 4 interconnected ground rods driven into the Earth
An electrically short connection to 3 or 4 interconnected ground rods via a series RF choke
E9E02
What is the name of an antenna matching system that matches an unbalanced feed line to an antenna by feeding the driven element both at the center of the element and at a fraction of a wavelength to one side of center?
The gamma match
The delta match
The epsilon match
The stub match
E9F15
What impedance does a 1/2 wavelength transmission line present to a generator when the line is open at the far end?
Very high impedance
Very low impedance
The same as the characteristic impedance of the line
The same as the output impedance of the generator
E9G10
What do the arcs on a Smith chart represent?
Frequency
SWR
Points with constant resistance
Points with constant reactance
E9H09
Which of the following describes the construction of a receiving loop antenna?
A large circularly polarized antenna
A small coil of wire tightly wound around a toroidal ferrite core
One or more turns of wire wound in the shape of a large open coil
A vertical antenna coupled to a feed line through an inductive loop of wire