E0A02: When evaluating RF exposure levels from your station at a neighbor's home, what must you do?

Make sure signals from your station are less than the controlled MPE limits

You need only evaluate exposure levels on your own property

Advise your neighbors of the results of your tests

E1A03: With your transceiver displaying the carrier frequency of phone signals, you hear a DX station's CQ on 14.349 MHz USB. Is it legal to return the call using upper sideband on the same frequency?

Yes, because the DX station initiated the contact

Yes, because the displayed frequency is within the 20 meter band

No, USA stations are not permitted to use phone emissions above 14.340 MHz

E1B05: What is the maximum bandwidth for a data emission on 60 meters?

60 Hz

170 Hz

1.5 kHz

E1C10: What types of amateur stations may automatically retransmit the radio signals of other amateur stations?

Only beacon, repeater or space stations

Only earth stations, repeater stations or model craft

Only auxiliary, beacon or space stations

E1D04: What is an Earth station in the amateur satellite service?

An amateur station that is not able to communicate using amateur satellites

An amateur station that transmits telemetry consisting of measurement of upper atmosphere data from space

Any amateur station on the surface of the Earth

E1E13: What are the consequences of failing to appear for re-administration of an examination when so directed by the FCC?

The person may be fined or imprisoned

The licensee is disqualified from any future examination for an amateur operator license grant

All these choices are correct

E1F12: Who may be the control operator of an auxiliary station?

Any licensed amateur operator

Only General, Advanced or Amateur Extra Class operators

Only Amateur Extra Class operators

E2A03: What is the orbital period of an Earth satellite?

The point of maximum height of a satellite's orbit

The point of minimum height of a satellite's orbit

The time it takes for a satellite to travel from perigee to apogee

E2B14: What aspect of an amateur slow-scan television signal encodes the brightness of the picture?

Tone amplitude

Sync amplitude

Sync frequency

E2C10: Why might a DX station state that they are listening on another frequency?

Because the DX station may be transmitting on a frequency that is prohibited to some responding stations

To separate the calling stations from the DX station

To reduce interference, thereby improving operating efficiency

E2D10: How can an APRS station be used to help support a public service communications activity?

An APRS station with an emergency medical technician can automatically transmit medical data to the nearest hospital

APRS stations with General Personnel Scanners can automatically relay the participant numbers and time as they pass the check points

All of these choices are correct

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

48 baud

110 baud

1200 baud

E3A04: What type of receiving system is desirable for EME communications?

Equipment with very wide bandwidth

Equipment with very low dynamic range

Equipment with very low gain

E3B09: At what time of day is gray-line propagation most likely to occur?

When the Sun is directly above the location of the transmitting station

When the Sun is directly overhead at the middle of the communications path between the two stations

When the Sun is directly above the location of the receiving station

E3C08: What is the name of the high-angle wave in HF propagation that travels for some distance within the F2 region?

Oblique-angle ray

Ordinary ray

Heaviside ray

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

E4B15: Which of the following can be used as a relative measurement of the Q for a series-tuned circuit?

The inductance to capacitance ratio

The frequency shift

The resonant frequency of the circuit

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

E4D02: Which of the following describes two problems caused by poor dynamic range in a communications receiver?

Oscillator instability requiring frequent retuning and loss of ability to recover the opposite sideband

Cross-modulation of the desired signal and insufficient audio power to operate the speaker

Oscillator instability and severe audio distortion of all but the strongest received signals

E4E06: What is a major cause of atmospheric static?

Solar radio frequency emissions

Geomagnetic storms

Meteor showers

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%

E5C20: Which point in Figure E5-2 best represents the impedance of a series circuit consisting of a 300 ohm resistor and an 18 microhenry inductor at 3.505 MHz?

Point 1

Point 7

Point 8

E5D18: How many watts are consumed in a circuit having a power factor of 0.71 if the apparent power is 500 VA?

704 W

252 W

1.42 mW

E6A16: What are the majority charge carriers in N-type semiconductor material?

Holes

Free protons

Free neutrons

E6B09: What is a common use for point contact diodes?

As a constant current source

As a constant voltage source

As a high voltage rectifier

E6C10: In Figure E6-5, what is the schematic symbol for a NOR gate?

1

2

3

E6D14: Which is NOT true of a charge-coupled device (CCD)?

It uses a combination of analog and digital circuitry

It can be used to make an audio delay line

It samples and stores analog signals

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

Silicon

Silicon nitride

Silicon dioxide

E6F03: What is the most common configuration of an optoisolator or optocoupler?

A lens and a photomultiplier

A frequency modulated helium-neon laser

An amplitude modulated helium-neon laser

E7A01: Which of the following is a bistable circuit?

An "AND" gate

An "OR" gate

A clock

E7B08: How can an RF power amplifier be neutralized?

By increasing the driving power

By reducing the driving power

By feeding an in-phase component of the output back to the input

E7C14: Which of these modes is most affected by non-linear phase response in a receiver IF filter?

Meteor Scatter

Single-Sideband voice

Video

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

E7E08: What are the principal frequencies that appear at the output of a mixer circuit?

Two and four times the original frequency

The sum, difference and square root of the input frequencies

1.414 and 0.707 times the input frequency

E7F01: What is the purpose of a prescaler circuit?

It converts the output of a JK flip flop to that of an RS flip-flop

It multiplies a higher frequency signal so a low-frequency counter can display the operating frequency

It prevents oscillation in a low-frequency counter circuit

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

E7H07: What is a magnetron oscillator?

An oscillator in which the output is fed back to the input by the magnetic field of a transformer

A crystal oscillator in which variable frequency is obtained by placing the crystal in a strong magnetic field

A reference standard oscillator in which the oscillations are synchronized by magnetic coupling to a rubidium gas tube

E8A12: What type of information can be conveyed using digital waveforms?

Human speech

Video signals

Data

E8B06: What is the deviation ratio of an FM-phone signal having a maximum frequency swing of plus or minus 7.5 kHz when the maximum modulation frequency is 3.5 kHz?

0.214

0.47

47

E8C04: What technique is used to minimize the bandwidth requirements of a PSK31 signal?

Zero-sum character encoding

Reed-Solomon character encoding

Use of trapezoidal data pulses

E8D07: What is an electromagnetic wave?

Alternating currents in the core of an electromagnet

A wave consisting of two electric fields at right angles to each other

A wave consisting of two magnetic fields at right angles to each other

E9A12: Which of the following factors determines ground losses for a ground-mounted vertical antenna operating in the 3-30 MHz range?

The standing-wave ratio

Distance from the transmitter

Take-off angle

E9B06: If the boom of a Yagi antenna is lengthened and the elements are properly retuned, what usually occurs?

The SWR decreases

The front-to-back ratio increases

The gain bandwidth decreases rapidly

E9C12: 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

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 collinear to each other, with the driven elements fed 180 degrees out of phase

E9E05: How must the driven element in a 3-element Yagi be tuned to use a hairpin matching system?

The driven element reactance must be inductive

The driven element resonance must be lower than the operating frequency

The driven element radiation resistance must be higher than the characteristic impedance of the transmission line

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

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 prime center with regard to the reactance axis

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