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%

E1A11: What authorization or licensing is required when operating an amateur station aboard a US-registered vessel in international waters?

Any amateur license with an FCC Marine or Aircraft endorsement

Only General class or higher amateur licenses

An unrestricted Radiotelephone Operator Permit

E1B11: What is the permitted mean power of any spurious emission relative to the mean power of the fundamental emission from a station transmitter or external RF amplifier installed after January 1, 2003, and transmitting on a frequency below 30 MHZ?

At least 53 dB below

At least 63 dB below

At least 73 dB below

E1C09: Which of these frequencies are available for an automatically controlled repeater operating below 30 MHz?

18.110 - 18.168 MHz

24.940 - 24.990 MHz

10.100 - 10.150 MHz

E1D03: What is a telecommand station in the amateur satellite service?

An amateur station located on the Earth's surface for communications with other Earth stations by means of Earth satellites

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 from space

E1E05: What is the minimum passing score on amateur operator license examinations?

Minimum passing score of 70%

Minimum passing score of 80%

Minimum passing score of 77%

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

E2A11: What type of antenna can be used to minimize the effects of spin modulation and Faraday rotation?

A linearly polarized antenna

An isotropic antenna

A log-periodic dipole array

E2B15: What signals SSTV receiving equipment to begin a new picture line?

Elapsed time

Specific tone amplitudes

A two-tone signal

E2C11: How should you generally identify your station when attempting to contact a DX station working a pileup or in a contest?

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

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

Disconnect

Acknowledgement

Connect

E2E03: How is Forward Error Correction implemented?

By the receiving station repeating each block of three data characters

By transmitting a special algorithm to the receiving station along with the data characters

By varying the frequency shift of the transmitted signal according to a predefined algorithm

E3A08: When a meteor strikes the Earth's atmosphere, a cylindrical region of free electrons is formed at what layer of the ionosphere?

The F1 layer

The F2 layer

The D layer

E3B05: Which amateur bands typically support long-path propagation?

160 to 40 meters

30 to 10 meters

6 meters to 2 meters

E3C03: Where in the ionosphere does Aurora activity occur?

In the F1-region

In the F2-region

In the D-region

E4A08: Which of the following instruments would be best for measuring the SWR of a beam antenna?

A spectrum analyzer

A Q meter

An ohmmeter

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

E4C13: How does a narrow-band roofing filter affect receiver performance?

It improves sensitivity by reducing front end noise

It improves intelligibility by using low Q circuitry to reduce ringing

All of these choices are correct

E4D05: What transmitter frequencies would cause an intermodulation-product signal in a receiver tuned to 146.70 MHz when a nearby station transmits on 146.52 MHz?

146.88 MHz and 146.34 MHz

146.10 MHz and 147.30 MHz

173.35 MHz and 139.40 MHz

E4E06: What is a major cause of atmospheric static?

Solar radio frequency emissions

Geomagnetic storms

Meteor showers

E5A13: What is the half-power bandwidth of a parallel resonant circuit that has a resonant frequency of 14.25 MHz and a Q of 187?

38.1 kHz

1.332 kHz

2.665 kHz

E5B07: What is the phase angle between the voltage across and the current through a series RLC circuit if XC is 500 ohms, R is 1 kilohm, and XL is 250 ohms?

68.2 degrees with the voltage leading the current

14.0 degrees with the voltage leading the current

68.2 degrees with the voltage lagging the current

E5C16: In polar coordinates, what is the impedance of a circuit that has an admittance of 7.09 millisiemens at 45 degrees?

5.03 E-06 ohms at an angle of 45 degrees

19,900 ohms at an angle of -45 degrees

141 ohms at an angle of 45 degrees

E5D11: What is the power factor of an R-L circuit having a 60 degree phase angle between the voltage and the current?

1.414

0.866

1.73

E6A17: What are the names of the three terminals of a field-effect transistor?

Gate 1, gate 2, drain

Emitter, base, collector

Emitter, base 1, base 2

E6B03: What special type of diode is capable of both amplification and oscillation?

Point contact

Zener

Junction

E6C08: In Figure E6-5, what is the schematic symbol for a NAND gate?

1

3

4

E6D04: What function does a charge-coupled device (CCD) serve in a modern video camera?

It generates the horizontal pulses needed for electron beam scanning

It focuses the light used to produce a pattern of electrical charges corresponding to the image

It combines audio and video information to produce a composite RF signal

E6E11: Which of the following materials is likely to provide the highest frequency of operation when used in MMICs?

Silicon

Silicon nitride

Silicon dioxide

E6F06: Which of these materials is affected the most by photoconductivity?

An ordinary metal

A heavy metal

A liquid semiconductor

E7A02: How many output level changes are obtained for every two trigger pulses applied to the input of a T flip-flop circuit?

None

One

Four

E7B03: Which of the following forms the output of a class D amplifier circuit?

A high-pass filter to compensate for low gain at low frequencies

A matched load resistor to prevent damage by switching transients

A temperature-compensated load resistor to improve linearity

E7C02: A T-network with series capacitors and a parallel shunt inductor has which of the following properties?

It is a low-pass filter

It is a band-pass filter

It is a notch filter

E7D09: What is the purpose of C1 in the circuit shown in Figure E7-3?

It resonates at the ripple frequency

It provides fixed bias for Q1

It decouples the output

E7E11: Which of the following types of detector is well suited for demodulating SSB signals?

Discriminator

Phase detector

Phase comparator

E7F02: Which of the following would be used to reduce a signal's frequency by a factor of ten?

A preamp

A marker generator

A flip-flop

E7G08: How does the gain of an ideal operational amplifier vary with frequency?

It increases linearly with increasing frequency

It decreases linearly with increasing frequency

It decreases logarithmically with increasing frequency

E7H03: How is positive feedback supplied in a Hartley oscillator?

Through a capacitive divider

Through link coupling

Through a neutralizing capacitor

E8A10: Which of the following is a distinguishing characteristic of a pulse waveform?

Regular sinusoidal oscillations

A series of tones that vary between two frequencies

A signal that contains three or more discrete tones

E8B09: What is meant by deviation ratio?

The ratio of the audio modulating frequency to the center carrier frequency

The ratio of the carrier center frequency to the audio modulating frequency

The ratio of the highest audio modulating frequency to the average audio modulating frequency

E8C12: What is the advantage of including a parity bit with an ASCII character stream?

Faster transmission rate

The signal can overpower interfering signals

Foreign language characters can be sent

E8D16: What is the RMS value of a 340-volt peak-to-peak pure sine wave?

170V AC

240V AC

300V AC

E9A10: How is antenna efficiency calculated?

(radiation resistance / transmission resistance) x 100%

(total resistance / radiation resistance) x 100%

(effective radiated power / transmitter output) x 100%

E9B08: How can the approximate beamwidth in a given plane of a directional antenna be determined?

Measure the ratio of the signal strengths of the radiated power lobes from the front and rear of the antenna

Draw two imaginary lines through the ends of the elements and measure the angle between the lines

Measure the ratio of the signal strengths of the radiated power lobes from the front and side of the antenna

E9C08: What is the elevation angle of peak response in the antenna radiation pattern shown in Figure E9-2?

45 degrees

75 degrees

25 degrees

E9D12: What is one advantage of using a trapped antenna?

It has high directivity in the higher-frequency bands

It has high gain

It minimizes harmonic radiation

E9E11: What is an effective way of matching a feed line to a VHF or UHF antenna when the impedances of both the antenna and feed line are unknown?

Use a 50-ohm 1:1 balun between the antenna and feed line

Connect a series-resonant LC network across the antenna feed terminals

Connect a parallel-resonant LC network across the antenna feed terminals

E9F05: What is the approximate physical length of a solid polyethylene dielectric coaxial transmission line that is electrically one-quarter wavelength long at 14.1 MHz?

20 meters

2.3 meters

0.2 meters

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

E9H06: What is the triangulation method of direction finding?

The geometric angle of sky waves from the source are used to determine its position

A fixed receiving station plots three headings from the signal source on a map

A fixed receiving station uses three different antennas to plot the location of the signal source