E0A04: When evaluating a site with multiple transmitters operating at the same time, the operators and licensees of which transmitters are responsible for mitigating over-exposure situations?

Only the most powerful transmitter

Only commercial transmitters

Each transmitter operating with a duty-cycle greater than 50%

E1A13: Who must be in physical control of the station apparatus of an amateur station aboard any vessel or craft that is documented or registered in the United States?

Only a person with an FCC Marine Radio

Only a person named in an amateur station license grant

Any person named in an amateur station license grant or a person holding an unrestricted Radiotelephone Operator Permit

E1B10: What frequencies are authorized to an amateur station participating in RACES?

Specific segments in the amateur service MF, HF, VHF and UHF bands

Specific local government channels

Military Affiliate Radio System (MARS) channels

E1C03: How do the control operator responsibilities of a station under automatic control differ from one under local control?

Under local control there is no control operator

Under automatic control there is no control operator

Under local control a control operator is not required to be present at a control point

E1D07: Which amateur service HF bands have frequencies authorized to space stations?

Only 40m, 20m, 17m, 15m and 10m bands

40m, 30m, 20m, 15m, 12m and 10m bands

All HF bands

E1E06: Who is responsible for the proper conduct and necessary supervision during an amateur operator license examination session?

The VEC coordinating the session

The FCC

The VE session manager

E1F07: When may an amateur station send a message to a business?

When the total money involved does not exceed $25

When the control operator is employed by the FCC or another government agency

When transmitting international third-party communications

E2A09: What do the terms L band and S band specify with regard to satellite communications?

The 2 meter and 70 centimeter bands

FM and Digital Store-and-Forward systems

Which sideband to use

E2B12: How are analog SSTV images typically transmitted on the HF bands?

Video is converted to equivalent Baudot representation

Video is converted to equivalent ASCII representation

Varying tone frequencies representing the video are transmitted using PSK

E2C09: How does the spread-spectrum technique of frequency hopping work?

If interference is detected by the receiver it will signal the transmitter to change frequencies

If interference is detected by the receiver it will signal the transmitter to wait until the frequency is clear

A pseudo-random binary bit stream is used to shift the phase of an RF carrier very rapidly in a particular sequence

E2D08: Which of the following types of packet frames is used to transmit APRS beacon data?

Disconnect

Acknowledgement

Connect

E2E06: What is the most common data rate used for HF packet communications?

48 baud

110 baud

1200 baud

E3A06: What frequency range would you normally tune to find EME signals in the 2 meter band?

144.000 - 144.001 MHz

144.100 - 144.300 MHz

145.000 - 145.100 MHz

E3B01: What is transequatorial propagation?

Propagation between any two points located on the magnetic equator

Propagation between two continents by way of ducts along the magnetic equator

Propagation between two stations at the same latitude

E3C03: Where in the ionosphere does Aurora activity occur?

In the F1-region

In the F2-region

In the D-region

E4A05: Which of the following test instruments is used to display intermodulation distortion products in an SSB transmission?

A wattmeter

A logic analyzer

A time-domain reflectometer

E4B11: How should a portable antenna analyzer be connected when measuring antenna resonance and feed point impedance?

Loosely couple the analyzer near the antenna base

Connect the analyzer via a high-impedance transformer to the antenna

Connect the antenna and a dummy load to the analyzer

E4C15: What is the primary source of noise that can be heard from an HF receiver with an antenna connected?

Detector noise

Induction motor noise

Receiver front-end noise

E4D03: How can intermodulation interference between two repeaters occur?

When the repeaters are in close proximity and the signals cause feedback in the final amplifier of one or both transmitters

When the signals from the transmitters are reflected out of phase from airplanes passing overhead

When the signals from the transmitters are reflected in phase from airplanes passing overhead

E4E04: How can conducted and radiated noise caused by an automobile alternator be suppressed?

By installing filter capacitors in series with the DC power lead and by installing a blocking capacitor in the field lead

By installing a noise suppression resistor and a blocking capacitor in both leads

By installing a high-pass filter in series with the radio's power lead and a low-pass filter in parallel with the field lead

E5A05: What is the magnitude of the current at the input of a series RLC circuit as the frequency goes through resonance?

Minimum

R/L

L/R

E5B03: The capacitor in an RC circuit is discharged to what percentage of the starting voltage after two time constants?

86.5%

63.2%

36.8%

E5C08: In polar coordinates, what is the impedance of a network comprised of a 300-ohm-reactance inductor in series with a 400-ohm resistor?

400 ohms at an angle of 27 degrees

500 ohms at an angle of 47 degrees

700 ohms at an angle of 57 degrees

E5D17: How many watts are consumed in a circuit having a power factor of 0.6 if the input is 200V AC at 5 amperes?

200 watts

1000 watts

1600 watts

E6A07: In Figure E6-1, what is the schematic symbol for a PNP transistor?

2

4

5

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

E6C04: Which of the following is the primary advantage of tri-state logic?

Low power consumption

High speed operation

More efficient arithmetic operations

E6D12: How many turns will be required to produce a 5-microhenry inductor using a powdered-iron toroidal core that has an inductance index (A L) value of 40 microhenrys/100 turns?

13 turns

79 turns

141 turns

E6E04: What is the most common input and output impedance of circuits that use MMICs?

300 ohms

450 ohms

10 ohms

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

E7A13: What is an SR or RS flip-flop?

A speed-reduced logic device with high power capability

A speed-reduced logic device with very low voltage operation capability

A set/reset flip-flop that toggles whenever the T input is pulsed, unless both inputs are high

E7B04: Where on the load line of a Class A common emitter amplifier would bias normally be set?

Where the load line intersects the voltage axis

At a point where the bias resistor equals the load resistor

At a point where the load line intersects the zero bias current curve

E7C10: Which of the following filters would be the best choice for use in a 2 meter repeater duplexer?

A crystal filter

A DSP filter

An L-C 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

E7E03: How does an analog phase modulator function?

By varying the tuning of a microphone preamplifier to produce PM signals

By varying the tuning of an amplifier tank circuit to produce AM signals

By varying the tuning of a microphone preamplifier to produce AM signals

E7F03: What is the function of a decade counter digital IC?

It decodes a decimal number for display on a seven-segment LED display

It produces ten output pulses for every input pulse

It adds two decimal numbers together

E7G05: How can unwanted ringing and audio instability be prevented in a multi-section op-amp RC audio filter circuit?

Restrict gain, but increase Q

Restrict Q, but increase gain

Increase both gain and Q

E7H14: What is a phase-locked loop circuit?

An electronic servo loop consisting of a ratio detector, reactance modulator, and voltage-controlled oscillator

An electronic circuit also known as a monostable multivibrator

An electronic circuit consisting of a precision push-pull amplifier with a differential input

E8A06: What is the approximate ratio of PEP-to-average power in a typical single-sideband phone signal?

25 to 1

1 to 1

100 to 1

E8B12: What is digital time division multiplexing?

Two or more data streams are assigned to discrete sub-carriers on an FM transmitter

Two or more data streams share the same channel by transmitting time of transmission as the sub-carrier

Two or more signals are quadrature modulated to increase bandwidth efficiency

E8C07: What is the necessary bandwidth of a 4800-Hz frequency shift, 9600-baud ASCII FM transmission?

9.6 kHz

4.8 kHz

5.76 kHz

E8D01: Which of the following is the easiest voltage amplitude parameter to measure when viewing a pure sine wave signal on an analog oscilloscope?

RMS voltage

Average voltage

DC voltage

E9A13: How much gain does an antenna have compared to a 1/2-wavelength dipole when it has 6 dB gain over an isotropic antenna?

6.0 dB

8.15 dB

2.79 dB

E9B14: What type of information can be obtained by submitting the details of a proposed new antenna to a modeling program?

SWR vs. frequency charts

Polar plots of the far-field elevation and azimuth patterns

Antenna gain

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- and low-angle radiation decrease

E9D13: What happens to feed point impedance at the base of a fixed-length HF mobile antenna as the frequency of operation is lowered?

The radiation resistance decreases and the capacitive reactance decreases

The radiation resistance increases and the capacitive reactance decreases

The radiation resistance increases and the capacitive reactance increases

E9E06: 3-element Yagi?

Pi network

Pi-L network

Parallel-resonant tank

E9F01: What is the velocity factor of a transmission line?

The ratio of the characteristic impedance of the line to the terminating impedance

The index of shielding for coaxial cable

The velocity of the wave in the transmission line multiplied by the velocity of light in a vacuum

E9G05: What type of chart is shown in Figure E9-3?

Free-space radiation directivity chart

Elevation angle radiation pattern chart

Azimuth angle radiation pattern chart

E9H02: What is the effective radiated power relative to a dipole of a repeater station with 200 watts transmitter power output, 4-dB feed line loss, 3.2-dB duplexer loss, 0.8-dB circulator loss and 10-dBd antenna gain?

2000 watts

126 watts

300 watts