E0A03: Which of the following would be a practical way to estimate whether the RF fields produced by an amateur radio station are within permissible MPE limits?

Use a calibrated antenna analyzer

Use a hand calculator plus Smith-chart equations to calculate the fields

All of the choices are correct

E1A05: What is the maximum power output permitted on the 60 meter band?

50 watts PEP effective radiated power relative to an isotropic radiator

50 watts PEP effective radiated power relative to a dipole

100 watts PEP effective radiated power relative to an isotropic radiator

E1B06: Which of the following additional rules apply if you are installing an amateur station antenna at a site at or near a public use airport?

No special rules apply if your antenna structure will be less than 300 feet in height

You must file an Environmental Impact Statement with the EPA before construction begins

You must obtain a construction permit from the airport zoning authority

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

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

E1E01: What is the minimum number of qualified VEs required to administer an Element 4 amateur operator license examination?

5

2

4

E1F04: Which of the following geographic descriptions approximately describes "Line A"?

A line roughly parallel to and west of the US Atlantic coastline

A line roughly parallel to and north of the US-Mexican border and Gulf coastline

A line roughly parallel to and east of the US Pacific coastline

E2A04: What is meant by the term mode as applied to an amateur radio satellite?

The type of signals that can be relayed through the satellite

The satellite's orientation with respect to the Earth

Whether the satellite is in a polar or equatorial orbit

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

Tone amplitude

Sync amplitude

Sync frequency

E2C08: Why are received spread-spectrum signals resistant to interference?

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 circuit

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

E2D01: Which of the following digital modes is especially designed for use for meteor scatter signals?

WSPR

Hellschreiber

APRS

E2E11: What is the difference between direct FSK and audio FSK?

Audio FSK has a superior frequency response

Direct FSK uses a DC-coupled data connection

Audio FSK can be performed anywhere in the transmit chain

E3A10: Which of the following is a good technique for making meteor-scatter contacts?

15 second timed transmission sequences with stations alternating based on location

Use of high speed CW or digital modes

Short transmission with rapidly repeated call signs and signal reports

E3B04: What type of propagation is probably occurring if an HF beam antenna must be pointed in a direction 180 degrees away from a station to receive the strongest signals?

Sporadic-E

Transequatorial

Auroral

E3C06: By how much does the VHF/UHF radio-path horizon distance exceed the geometric horizon?

By approximately twice the distance

By approximately one-half the distance

By approximately four times the distance

E4A06: Which of the following could be determined with a spectrum analyzer?

The degree of isolation between the input and output ports of a 2 meter duplexer

Whether a crystal is operating on its fundamental or overtone frequency

The spectral output of a transmitter

E4B06: How much power is being absorbed by the load when a directional power meter connected between a transmitter and a terminating load reads 100 watts forward power and 25 watts reflected power?

100 watts

125 watts

25 watts

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

E4D11: Why are third-order intermodulation products created within a receiver of particular interest compared to other products?

The third-order intercept is much higher than other orders

Third-order products are an indication of poor image rejection

Third-order intermodulation produces three products for every input signal within the band of interest

E4E07: How can you determine if line noise interference is being generated within your home?

By checking the power line voltage with a time domain reflectometer

By observing the AC power line waveform with an oscilloscope

By observing the AC power line voltage with a spectrum analyzer

E5A10: What is the half-power bandwidth of a parallel resonant circuit that has a resonant frequency of 1.8 MHz and a Q of 95?

1.89 kHz

94.5 kHz

9.45 kHz

E5B08: What is the phase angle between the voltage across and the current through a series RLC circuit if XC is 100 ohms, R is 100 ohms, and XL is 75 ohms?

14 degrees with the voltage leading the current

76 degrees with the voltage leading the current

76 degrees with the voltage lagging the current

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

E5D14: What is reactive power?

Power consumed in wire resistance in an inductor

Power lost because of capacitor leakage

Power consumed in circuit Q

E6A15: Which of the following semiconductor materials contains an excess of holes in the outer shell of electrons?

N-type

Superconductor-type

Bipolar-type

E6B12: What is one common use for PIN diodes?

As a constant current source

As a constant voltage source

As a high voltage rectifier

E6C13: Which of the following is an advantage of BiCMOS logic?

Its simplicity results in much less expensive devices than standard CMOS

It is totally immune to electrostatic damage

All of these choices are correct

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

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

300 ohms

450 ohms

10 ohms

E6F05: Which of the following describes an optical shaft encoder?

A device which measures the strength a beam of light using analog to digital conversion

A digital encryption device often used to encrypt spacecraft control signals

A device for generating RTTY signals by means of a rotating light source.

E7A07: What logical operation does a NAND gate perform?

It produces a logic "0" at its output only when all inputs are logic "0"

It produces a logic "1" at its output only when all inputs are logic "1"

It produces a logic "0" at its output if some but not all of its inputs are logic "1"

E7B10: In Figure E7-1, what is the purpose of R1 and R2?

Load resistors

Self bias

Feedback

E7C03: What advantage does a Pi-L-network have over a Pi-network for impedance matching between the final amplifier of a vacuum-tube transmitter and an antenna?

Higher efficiency

Lower losses

Greater transformation range

E7D05: Which of the following types of linear voltage regulator places a constant load on the unregulated voltage source?

A constant current source

A series regulator

A shunt current source

E7E06: Why is de-emphasis commonly used in FM communications receivers?

To reduce impulse noise reception

For higher efficiency

To remove third-order distortion products

E7F07: What determines the accuracy of a frequency counter?

The speed of the logic devices used

Accuracy of the AC input frequency to the power supply

Proper balancing of the mixer diodes

E7G04: Which of the following is a type of capacitor best suited for use in high-stability op-amp RC active filter circuits?

Electrolytic

Disc ceramic

Paper

E7H02: What condition must exist for a circuit to oscillate?

It must have at least two stages

It must be neutralized

It must have negative feedback sufficient to cancel the input signal

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

Human speech

Video signals

Data

E8B08: What parameter does the modulating signal vary in a pulse-position modulation system?

The number of pulses per second

The amplitude of the pulses

The duration of the pulses

E8C01: Which one of the following digital codes consists of elements having unequal length?

ASCII

AX.25

Baudot

E8D13: Which of the following is a typical value for the peak voltage at a standard U.S. household electrical outlet?

240 volts

120 volts

340 volts

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%

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

E9C02: What is the radiation pattern of two 1/4-wavelength vertical antennas spaced 1/4-wavelength apart and fed 90 degrees out of phase?

A figure-8 end-fire along the axis of the array

A figure-8 broadside to the axis of the array

Omnidirectional

E9D07: What is a disadvantage of using a multiband trapped antenna?

It radiates the harmonics and fundamental equally well

It is too sharply directional at lower frequencies

It must be neutralized

E9E01: What system matches a high-impedance transmission line to a lower impedance antenna by connecting the line to the driven element in two places spaced a fraction of a wavelength each side of element center?

The gamma matching system

The omega matching system

The stub matching system

E9F07: How does ladder line compare to small-diameter coaxial cable such as RG-58 at 50 MHz?

Higher SWR

Smaller reflection coefficient

Lower velocity factor

E9G10: What do the arcs on a Smith chart represent?

Frequency

SWR

Points with constant resistance

E9H10: How can the output voltage of a multi-turn receiving loop antenna be increased?

By reducing the permeability of the loop shield

By increasing the number of wire turns in the loop and reducing the area of the loop structure

By winding adjacent turns in opposing directions