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
E1B02
Which of the following factors might cause the physical location of an amateur station apparatus or antenna structure to be restricted?
The location is near an area of political conflict
The location is of geographical or horticultural importance
The location is in an ITU Zone designated for coordination with one or more foreign governments
The location is of environmental importance or significant in American history, architecture, or culture
E1C08
What is the maximum permissible duration of a remotely controlled station’s transmissions if its control link malfunctions?
E1D08
Which VHF amateur service bands have frequencies available for space stations?
6 meters and 2 meters
6 meters, 2 meters, and 1.25 meters
2 meters and 1.25 meters
2 meters
E1E03
What is a Volunteer Examiner Coordinator?
A person who has volunteered to administer amateur operator license examinations
A person who has volunteered to prepare amateur operator license examinations
An organization that has entered into an agreement with the FCC to coordinate amateur operator license examinations
The person who has entered into an agreement with the FCC to be the VE session manager
E1F12
Who may be the control operator of an auxiliary station?
Any licensed amateur operator
Only Technician, General, Advanced or Amateur Extra Class operators
Only General, Advanced or Amateur Extra Class operators
Only Amateur Extra Class operators
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
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
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
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
E3A10
Which type of atmospheric structure can create a path for microwave propagation?
E3B07
Which of the following could account for hearing an echo on the received signal of a distant station?
High D layer absorption
Meteor scatter
Transmit frequency is higher than the MUF
Receipt of a signal by more than one path
E3C07
Which of the following descriptors indicates the greatest solar flare intensity?
E4A15
What is an advantage of a period-measuring frequency counter over a direct-count type?
It can run on battery power for remote measurements
It does not require an expensive high-precision time base
It provides improved resolution of low-frequency signals within a comparable time period
It can directly measure the modulation index of an FM transmitter
E4B01
Which of the following factors most affects the accuracy of a frequency counter?
Input attenuator accuracy
Time base accuracy
Decade divider accuracy
Temperature coefficient of the logic
E4C04
How is the noise figure of a receiver defined?
The ratio of atmospheric noise to phase noise
The ratio of the noise bandwidth in Hertz to the theoretical bandwidth of a resistive network
The ratio of thermal noise to atmospheric noise
The ratio in dB of the noise generated by the receiver to the theoretical minimum noise
E4D12
What is the term for the reduction in receiver sensitivity caused by a strong signal near the received frequency?
Desensitization
Quieting
Cross-modulation interference
Squelch gain rollback
E4E09
What undesirable effect can occur when using an IF noise blanker?
Received audio in the speech range might have an echo effect
The audio frequency bandwidth of the received signal might be compressed
Nearby signals may appear to be excessively wide even if they meet emission standards
FM signals can no longer be demodulated
E5A06
What is the magnitude of the circulating current within the components of a parallel LC circuit at resonance?
It is at a minimum
It is at a maximum
It equals 1 divided by the quantity 2 times Pi, multiplied by the square root of inductance L multiplied by capacitance C
It equals 2 multiplied by Pi, multiplied by frequency, multiplied by inductance
E5B06
What is susceptance?
The magnetic impedance of a circuit
The ratio of magnetic field to electric field
The inverse of reactance
A measure of the efficiency of a transformer
E5C07
What is a vector?
The value of a quantity that changes over time
A quantity with both magnitude and an angular component
The inverse of the tangent function
The inverse of the sine function
E5D14
What is reactive power?
Wattless, nonproductive power
Power consumed in wire resistance in an inductor
Power lost because of capacitor leakage
Power consumed in circuit Q
E6A15
Which semiconductor material contains excess holes in the outer shell of electrons?
E6B02
What is an important characteristic of a Schottky diode as compared to an ordinary silicon diode when used as a power supply rectifier?
Much higher reverse voltage breakdown
Controlled reverse avalanche voltage
Enhanced carrier retention time
Less forward voltage drop
E6C06
Why do CMOS digital integrated circuits have high immunity to noise on the input signal or power supply?
Larger bypass capacitors are used in CMOS circuit design
The input switching threshold is about two times the power supply voltage
The input switching threshold is about one-half the power supply voltage
Input signals are stronger
E6D16
What is the common name for a capacitor connected across a transformer secondary that is used to absorb transient voltage spikes?
Clipper capacitor
Trimmer capacitor
Feedback capacitor
Snubber capacitor
E6E11
What is a characteristic of DIP packaging used for integrated circuits?
Package mounts in a direct inverted position
Low leakage doubly insulated package
Two chips in each package (Dual In Package)
A total of two rows of connecting pins placed on opposite sides of the package (Dual In-line Package)
E6F08
Why are optoisolators often used in conjunction with solid state circuits when switching 120VAC?
Optoisolators provide a low impedance link between a control circuit and a power circuit
Optoisolators provide impedance matching between the control circuit and power circuit
Optoisolators provide a very high degree of electrical isolation between a control circuit and the circuit being switched
Optoisolators eliminate the effects of reflected light in the control circuit
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
E7B07
Which of the following is a likely result when a Class C amplifier is used to amplify a single-sideband phone signal?
Reduced intermodulation products
Increased overall intelligibility
Signal inversion
Signal distortion and excessive bandwidth
E7C08
Which of the following factors has the greatest effect in helping determine the bandwidth and response shape of a crystal ladder filter?
The relative frequencies of the individual crystals
The DC voltage applied to the quartz crystal
The gain of the RF stage preceding the filter
The amplitude of the signals passing through the filter
E7D11
What circuit element is controlled by a series analog voltage regulator to maintain a constant output voltage?
Reference voltage
Switching inductance
Error amplifier
Pass transistor
E7E10
How does a diode detector function?
By rectification and filtering of RF signals
By breakdown of the Zener voltage
By mixing signals with noise in the transition region of the diode
By sensing the change of reactance in the diode with respect to frequency
E7F02
What kind of digital signal processing audio filter is used to remove unwanted noise from a received SSB signal?
An adaptive filter
A crystal-lattice filter
A Hilbert-transform filter
A phase-inverting filter
E7G10
What absolute voltage gain can be expected from the circuit in Figure E7-4 when R1 is 1800 ohms and RF is 68 kilohms?
E7H04
How is positive feedback supplied in a Colpitts oscillator?
Through a tapped coil
Through link coupling
Through a capacitive divider
Through a neutralizing capacitor
E8A07
What determines the PEP-to-average power ratio of a single-sideband phone signal?
The frequency of the modulating signal
The characteristics of the modulating signal
The degree of carrier suppression
The amplifier gain
E8B01
What is the term for the ratio between the frequency deviation of an RF carrier wave and the modulating frequency of its corresponding FM-phone signal?
FM compressibility
Quieting index
Percentage of modulation
Modulation index
E8C08
How does ARQ accomplish error correction?
Special binary codes provide automatic correction
Special polynomial codes provide automatic correction
If errors are detected, redundant data is substituted
If errors are detected, a retransmission is requested
E8D01
Why are received spread spectrum signals resistant to interference?
Signals not using the spread spectrum algorithm are suppressed in the receiver
The high power used by a spread spectrum transmitter keeps its signal from being easily overpowered
The receiver is always equipped with a digital blanker
If interference is detected by the receiver it will signal the transmitter to change frequencies
E9A14
What is meant by the radiation resistance of an antenna?
The combined losses of the antenna elements and feed line
The specific impedance of the antenna
The value of a resistance that would dissipate the same amount of power as that radiated from an antenna
The resistance in the atmosphere that an antenna must overcome to be able to radiate a signal
E9B04
What may occur when a directional antenna is operated at different frequencies within the band for which it was designed?
Feed point impedance may become negative
The E-field and H-field patterns may reverse
Element spacing limits could be exceeded
The gain may change depending on frequency
E9C12
Which of the following describes an extended double Zepp antenna?
A wideband vertical antenna constructed from precisely tapered aluminum tubing
A portable antenna erected using two push support poles
A center fed 1.25 wavelength antenna (two 5/8 wave elements in phase)
An end fed folded dipole antenna
E9D02
How can linearly polarized Yagi antennas be used to produce circular polarization?
Stack two Yagis fed 90 degrees out of phase to form an array with the respective elements in parallel planes
Stack two Yagis fed in phase to form an array with the respective elements in parallel planes
Arrange two Yagis perpendicular to each other with the driven elements at the same point on the boom fed 90 degrees out of phase
Arrange two Yagis collinear to each other with the driven elements fed 180 degrees out of phase
E9E09
Which of these matching systems is an effective method of connecting a 50 ohm coaxial cable feed line to a grounded tower so it can be used as a vertical antenna?
Double-bazooka match
Hairpin match
Gamma match
All of these choices are correct
E9F04
What is the typical velocity factor for a coaxial cable with solid polyethylene dielectric?
E9G08
What is the process of normalization with regard to a Smith chart?
Reassigning resistance values with regard to the reactance axis
Reassigning reactance values with regard to the resistance axis
Reassigning impedance values with regard to the prime center
Reassigning prime center with regard to the reactance axis
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